Home / 983,114.20-1,474,719.90-510,722.20

Finding the Fourth Proportional to 983,114.20, 1,474,719.90 and 510,722.20

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Solution

The fourth proportional to 983,114.20, 1,474,719.90 and 510,722.20 is: 766,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,114.20 : 1,474,719.90 = 510,722.20 : x
  2. Step 2: Convert to fraction form
    983,114.20/1,474,719.90 = 510,722.20/x
  3. Step 3: Cross multiply
    983,114.20x = 1,474,719.90 × 510,722.20
  4. Step 4: Simplify right side
    983,114.20x = 753,172,191,711.78
  5. Step 5: Solve for x
    x = 753,172,191,711.78/983,114.20
  6. Step 6: Final answer
    x = 766,108.55

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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.