Home / 696,731.94-961,498.14-386,641.02

Finding the Fourth Proportional to 696,731.94, 961,498.14 and 386,641.02

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Solution

The fourth proportional to 696,731.94, 961,498.14 and 386,641.02 is: 533,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,731.94 : 961,498.14 = 386,641.02 : x
  2. Step 2: Convert to fraction form
    696,731.94/961,498.14 = 386,641.02/x
  3. Step 3: Cross multiply
    696,731.94x = 961,498.14 × 386,641.02
  4. Step 4: Simplify right side
    696,731.94x = 371,754,621,577.70
  5. Step 5: Solve for x
    x = 371,754,621,577.70/696,731.94
  6. Step 6: Final answer
    x = 533,569.08

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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.