Home / 657,553.20-986,641.80-455,460.06

Finding the Fourth Proportional to 657,553.20, 986,641.80 and 455,460.06

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Solution

The fourth proportional to 657,553.20, 986,641.80 and 455,460.06 is: 683,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,553.20 : 986,641.80 = 455,460.06 : x
  2. Step 2: Convert to fraction form
    657,553.20/986,641.80 = 455,460.06/x
  3. Step 3: Cross multiply
    657,553.20x = 986,641.80 × 455,460.06
  4. Step 4: Simplify right side
    657,553.20x = 449,375,933,426.51
  5. Step 5: Solve for x
    x = 449,375,933,426.51/657,553.20
  6. Step 6: Final answer
    x = 683,406.20

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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.