Home / 657,925.64-985,393.73-514,879.43

Finding the Fourth Proportional to 657,925.64, 985,393.73 and 514,879.43

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Solution

The fourth proportional to 657,925.64, 985,393.73 and 514,879.43 is: 771,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,925.64 : 985,393.73 = 514,879.43 : x
  2. Step 2: Convert to fraction form
    657,925.64/985,393.73 = 514,879.43/x
  3. Step 3: Cross multiply
    657,925.64x = 985,393.73 × 514,879.43
  4. Step 4: Simplify right side
    657,925.64x = 507,358,962,027.97
  5. Step 5: Solve for x
    x = 507,358,962,027.97/657,925.64
  6. Step 6: Final answer
    x = 771,149.41

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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.