Home / 1,321,091.56-1,981,637.34-573,121

Finding the Fourth Proportional to 1,321,091.56, 1,981,637.34 and 573,121

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Solution

The fourth proportional to 1,321,091.56, 1,981,637.34 and 573,121 is: 859,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,091.56 : 1,981,637.34 = 573,121 : x
  2. Step 2: Convert to fraction form
    1,321,091.56/1,981,637.34 = 573,121/x
  3. Step 3: Cross multiply
    1,321,091.56x = 1,981,637.34 × 573,121
  4. Step 4: Simplify right side
    1,321,091.56x = 1,135,717,973,938.14
  5. Step 5: Solve for x
    x = 1,135,717,973,938.14/1,321,091.56
  6. Step 6: Final answer
    x = 859,681.50

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Half scale
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Double scale
Find fourth proportional to 1,321,092.56, 1,981,638.84 and 573,122
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.