Home / 657,923.74-985,390.92-514,877.54

Finding the Fourth Proportional to 657,923.74, 985,390.92 and 514,877.54

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Solution

The fourth proportional to 657,923.74, 985,390.92 and 514,877.54 is: 771,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,923.74 : 985,390.92 = 514,877.54 : x
  2. Step 2: Convert to fraction form
    657,923.74/985,390.92 = 514,877.54/x
  3. Step 3: Cross multiply
    657,923.74x = 985,390.92 × 514,877.54
  4. Step 4: Simplify right side
    657,923.74x = 507,355,652,827.94
  5. Step 5: Solve for x
    x = 507,355,652,827.94/657,923.74
  6. Step 6: Final answer
    x = 771,146.60

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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.