Home / 656,526.15-984,875.25-257,115.02

Finding the Fourth Proportional to 656,526.15, 984,875.25 and 257,115.02

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Solution

The fourth proportional to 656,526.15, 984,875.25 and 257,115.02 is: 385,706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,526.15 : 984,875.25 = 257,115.02 : x
  2. Step 2: Convert to fraction form
    656,526.15/984,875.25 = 257,115.02/x
  3. Step 3: Cross multiply
    656,526.15x = 984,875.25 × 257,115.02
  4. Step 4: Simplify right side
    656,526.15x = 253,226,214,676.88
  5. Step 5: Solve for x
    x = 253,226,214,676.88/656,526.15
  6. Step 6: Final answer
    x = 385,706.21

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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.