Home / 1,563,998.60-2,344,248.30-665,287.40

Finding the Fourth Proportional to 1,563,998.60, 2,344,248.30 and 665,287.40

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Solution

The fourth proportional to 1,563,998.60, 2,344,248.30 and 665,287.40 is: 997,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,998.60 : 2,344,248.30 = 665,287.40 : x
  2. Step 2: Convert to fraction form
    1,563,998.60/2,344,248.30 = 665,287.40/x
  3. Step 3: Cross multiply
    1,563,998.60x = 2,344,248.30 × 665,287.40
  4. Step 4: Simplify right side
    1,563,998.60x = 1,559,598,856,461.42
  5. Step 5: Solve for x
    x = 1,559,598,856,461.42/1,563,998.60
  6. Step 6: Final answer
    x = 997,186.86

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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.