Home / 657,718.05-907,727.49-547,141.35

Finding the Fourth Proportional to 657,718.05, 907,727.49 and 547,141.35

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Solution

The fourth proportional to 657,718.05, 907,727.49 and 547,141.35 is: 755,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,718.05 : 907,727.49 = 547,141.35 : x
  2. Step 2: Convert to fraction form
    657,718.05/907,727.49 = 547,141.35/x
  3. Step 3: Cross multiply
    657,718.05x = 907,727.49 × 547,141.35
  4. Step 4: Simplify right side
    657,718.05x = 496,655,244,310.71
  5. Step 5: Solve for x
    x = 496,655,244,310.71/657,718.05
  6. Step 6: Final answer
    x = 755,118.77

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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.