Home / 657,397.58-986,244.15-208,145.30

Finding the Fourth Proportional to 657,397.58, 986,244.15 and 208,145.30

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Solution

The fourth proportional to 657,397.58, 986,244.15 and 208,145.30 is: 312,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,397.58 : 986,244.15 = 208,145.30 : x
  2. Step 2: Convert to fraction form
    657,397.58/986,244.15 = 208,145.30/x
  3. Step 3: Cross multiply
    657,397.58x = 986,244.15 × 208,145.30
  4. Step 4: Simplify right side
    657,397.58x = 205,282,084,475.00
  5. Step 5: Solve for x
    x = 205,282,084,475.00/657,397.58
  6. Step 6: Final answer
    x = 312,264.74

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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.