Home / 657,100.98-906,812.28-370,565.10

Finding the Fourth Proportional to 657,100.98, 906,812.28 and 370,565.10

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Solution

The fourth proportional to 657,100.98, 906,812.28 and 370,565.10 is: 511,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,100.98 : 906,812.28 = 370,565.10 : x
  2. Step 2: Convert to fraction form
    657,100.98/906,812.28 = 370,565.10/x
  3. Step 3: Cross multiply
    657,100.98x = 906,812.28 × 370,565.10
  4. Step 4: Simplify right side
    657,100.98x = 336,032,983,219.43
  5. Step 5: Solve for x
    x = 336,032,983,219.43/657,100.98
  6. Step 6: Final answer
    x = 511,387.13

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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.