Home / 1,299,065.20-1,948,553.88-457,594.96

Finding the Fourth Proportional to 1,299,065.20, 1,948,553.88 and 457,594.96

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Solution

The fourth proportional to 1,299,065.20, 1,948,553.88 and 457,594.96 is: 686,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,065.20 : 1,948,553.88 = 457,594.96 : x
  2. Step 2: Convert to fraction form
    1,299,065.20/1,948,553.88 = 457,594.96/x
  3. Step 3: Cross multiply
    1,299,065.20x = 1,948,553.88 × 457,594.96
  4. Step 4: Simplify right side
    1,299,065.20x = 891,648,434,776.45
  5. Step 5: Solve for x
    x = 891,648,434,776.45/1,299,065.20
  6. Step 6: Final answer
    x = 686,376.97

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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.