Home / 1,205,824.28-1,808,746.13-437,864.90

Finding the Fourth Proportional to 1,205,824.28, 1,808,746.13 and 437,864.90

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Solution

The fourth proportional to 1,205,824.28, 1,808,746.13 and 437,864.90 is: 656,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,824.28 : 1,808,746.13 = 437,864.90 : x
  2. Step 2: Convert to fraction form
    1,205,824.28/1,808,746.13 = 437,864.90/x
  3. Step 3: Cross multiply
    1,205,824.28x = 1,808,746.13 × 437,864.90
  4. Step 4: Simplify right side
    1,205,824.28x = 791,986,435,388.77
  5. Step 5: Solve for x
    x = 791,986,435,388.77/1,205,824.28
  6. Step 6: Final answer
    x = 656,800.87

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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.