Home / 1,572,784.38-2,170,189.23-884,415.19

Finding the Fourth Proportional to 1,572,784.38, 2,170,189.23 and 884,415.19

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Solution

The fourth proportional to 1,572,784.38, 2,170,189.23 and 884,415.19 is: 1,220,350.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,784.38 : 2,170,189.23 = 884,415.19 : x
  2. Step 2: Convert to fraction form
    1,572,784.38/2,170,189.23 = 884,415.19/x
  3. Step 3: Cross multiply
    1,572,784.38x = 2,170,189.23 × 884,415.19
  4. Step 4: Simplify right side
    1,572,784.38x = 1,919,348,320,186.40
  5. Step 5: Solve for x
    x = 1,919,348,320,186.40/1,572,784.38
  6. Step 6: Final answer
    x = 1,220,350.57

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Double scale
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Similar ratio
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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.