Home / 1,393,869.90-1,924,216.35-934,816.56

Finding the Fourth Proportional to 1,393,869.90, 1,924,216.35 and 934,816.56

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Solution

The fourth proportional to 1,393,869.90, 1,924,216.35 and 934,816.56 is: 1,290,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,869.90 : 1,924,216.35 = 934,816.56 : x
  2. Step 2: Convert to fraction form
    1,393,869.90/1,924,216.35 = 934,816.56/x
  3. Step 3: Cross multiply
    1,393,869.90x = 1,924,216.35 × 934,816.56
  4. Step 4: Simplify right side
    1,393,869.90x = 1,798,789,309,002.76
  5. Step 5: Solve for x
    x = 1,798,789,309,002.76/1,393,869.90
  6. Step 6: Final answer
    x = 1,290,500.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.