Home / 657,151.17-906,869.46-366,762.75

Finding the Fourth Proportional to 657,151.17, 906,869.46 and 366,762.75

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Solution

The fourth proportional to 657,151.17, 906,869.46 and 366,762.75 is: 506,133.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,151.17 : 906,869.46 = 366,762.75 : x
  2. Step 2: Convert to fraction form
    657,151.17/906,869.46 = 366,762.75/x
  3. Step 3: Cross multiply
    657,151.17x = 906,869.46 × 366,762.75
  4. Step 4: Simplify right side
    657,151.17x = 332,605,937,040.62
  5. Step 5: Solve for x
    x = 332,605,937,040.62/657,151.17
  6. Step 6: Final answer
    x = 506,133.07

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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.