Home / 1,139,251.28-1,572,164.15-655,640.24

Finding the Fourth Proportional to 1,139,251.28, 1,572,164.15 and 655,640.24

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Solution

The fourth proportional to 1,139,251.28, 1,572,164.15 and 655,640.24 is: 904,782.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,251.28 : 1,572,164.15 = 655,640.24 : x
  2. Step 2: Convert to fraction form
    1,139,251.28/1,572,164.15 = 655,640.24/x
  3. Step 3: Cross multiply
    1,139,251.28x = 1,572,164.15 × 655,640.24
  4. Step 4: Simplify right side
    1,139,251.28x = 1,030,774,086,194.91
  5. Step 5: Solve for x
    x = 1,030,774,086,194.91/1,139,251.28
  6. Step 6: Final answer
    x = 904,782.03

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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.