Home / 657,603.22-986,432.68-208,314.14

Finding the Fourth Proportional to 657,603.22, 986,432.68 and 208,314.14

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Solution

The fourth proportional to 657,603.22, 986,432.68 and 208,314.14 is: 312,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,603.22 : 986,432.68 = 208,314.14 : x
  2. Step 2: Convert to fraction form
    657,603.22/986,432.68 = 208,314.14/x
  3. Step 3: Cross multiply
    657,603.22x = 986,432.68 × 208,314.14
  4. Step 4: Simplify right side
    657,603.22x = 205,487,877,666.18
  5. Step 5: Solve for x
    x = 205,487,877,666.18/657,603.22
  6. Step 6: Final answer
    x = 312,480.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.