Home / 2,484,989.12-3,727,488.54-687,877.76

Finding the Fourth Proportional to 2,484,989.12, 3,727,488.54 and 687,877.76

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Solution

The fourth proportional to 2,484,989.12, 3,727,488.54 and 687,877.76 is: 1,031,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484,989.12 : 3,727,488.54 = 687,877.76 : x
  2. Step 2: Convert to fraction form
    2,484,989.12/3,727,488.54 = 687,877.76/x
  3. Step 3: Cross multiply
    2,484,989.12x = 3,727,488.54 × 687,877.76
  4. Step 4: Simplify right side
    2,484,989.12x = 2,564,056,467,320.87
  5. Step 5: Solve for x
    x = 2,564,056,467,320.87/2,484,989.12
  6. Step 6: Final answer
    x = 1,031,817.99

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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.