Home / 876,459.56-1,209,514.20-474,051.56

Finding the Fourth Proportional to 876,459.56, 1,209,514.20 and 474,051.56

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Solution

The fourth proportional to 876,459.56, 1,209,514.20 and 474,051.56 is: 654,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,459.56 : 1,209,514.20 = 474,051.56 : x
  2. Step 2: Convert to fraction form
    876,459.56/1,209,514.20 = 474,051.56/x
  3. Step 3: Cross multiply
    876,459.56x = 1,209,514.20 × 474,051.56
  4. Step 4: Simplify right side
    876,459.56x = 573,372,093,352.15
  5. Step 5: Solve for x
    x = 573,372,093,352.15/876,459.56
  6. Step 6: Final answer
    x = 654,191.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.