Home / 1,217,147.10-1,825,979.85-375,783.90

Finding the Fourth Proportional to 1,217,147.10, 1,825,979.85 and 375,783.90

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Solution

The fourth proportional to 1,217,147.10, 1,825,979.85 and 375,783.90 is: 563,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,147.10 : 1,825,979.85 = 375,783.90 : x
  2. Step 2: Convert to fraction form
    1,217,147.10/1,825,979.85 = 375,783.90/x
  3. Step 3: Cross multiply
    1,217,147.10x = 1,825,979.85 × 375,783.90
  4. Step 4: Simplify right side
    1,217,147.10x = 686,173,829,354.42
  5. Step 5: Solve for x
    x = 686,173,829,354.42/1,217,147.10
  6. Step 6: Final answer
    x = 563,755.88

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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.