Home / 1,418,979.60-2,127,813.30-619,849.80

Finding the Fourth Proportional to 1,418,979.60, 2,127,813.30 and 619,849.80

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Solution

The fourth proportional to 1,418,979.60, 2,127,813.30 and 619,849.80 is: 929,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,979.60 : 2,127,813.30 = 619,849.80 : x
  2. Step 2: Convert to fraction form
    1,418,979.60/2,127,813.30 = 619,849.80/x
  3. Step 3: Cross multiply
    1,418,979.60x = 2,127,813.30 × 619,849.80
  4. Step 4: Simplify right side
    1,418,979.60x = 1,318,924,648,442.34
  5. Step 5: Solve for x
    x = 1,318,924,648,442.34/1,418,979.60
  6. Step 6: Final answer
    x = 929,488.10

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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.