Home / 657,395.10-986,220.52-252,557.82

Finding the Fourth Proportional to 657,395.10, 986,220.52 and 252,557.82

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Solution

The fourth proportional to 657,395.10, 986,220.52 and 252,557.82 is: 378,885.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,395.10 : 986,220.52 = 252,557.82 : x
  2. Step 2: Convert to fraction form
    657,395.10/986,220.52 = 252,557.82/x
  3. Step 3: Cross multiply
    657,395.10x = 986,220.52 × 252,557.82
  4. Step 4: Simplify right side
    657,395.10x = 249,077,704,570.47
  5. Step 5: Solve for x
    x = 249,077,704,570.47/657,395.10
  6. Step 6: Final answer
    x = 378,885.86

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1.5x scale

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.