Home / 1,207,781.10-1,811,890.35-607,230.90

Finding the Fourth Proportional to 1,207,781.10, 1,811,890.35 and 607,230.90

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Solution

The fourth proportional to 1,207,781.10, 1,811,890.35 and 607,230.90 is: 910,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,781.10 : 1,811,890.35 = 607,230.90 : x
  2. Step 2: Convert to fraction form
    1,207,781.10/1,811,890.35 = 607,230.90/x
  3. Step 3: Cross multiply
    1,207,781.10x = 1,811,890.35 × 607,230.90
  4. Step 4: Simplify right side
    1,207,781.10x = 1,100,235,807,931.82
  5. Step 5: Solve for x
    x = 1,100,235,807,931.82/1,207,781.10
  6. Step 6: Final answer
    x = 910,956.30

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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.