Home / 657,071.10-984,877.65-257,579.10

Finding the Fourth Proportional to 657,071.10, 984,877.65 and 257,579.10

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Solution

The fourth proportional to 657,071.10, 984,877.65 and 257,579.10 is: 386,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,071.10 : 984,877.65 = 257,579.10 : x
  2. Step 2: Convert to fraction form
    657,071.10/984,877.65 = 257,579.10/x
  3. Step 3: Cross multiply
    657,071.10x = 984,877.65 × 257,579.10
  4. Step 4: Simplify right side
    657,071.10x = 253,683,898,697.12
  5. Step 5: Solve for x
    x = 253,683,898,697.12/657,071.10
  6. Step 6: Final answer
    x = 386,082.87

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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.