Home / 1,207,470.30-1,811,205.45-647,598.30

Finding the Fourth Proportional to 1,207,470.30, 1,811,205.45 and 647,598.30

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Solution

The fourth proportional to 1,207,470.30, 1,811,205.45 and 647,598.30 is: 971,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,470.30 : 1,811,205.45 = 647,598.30 : x
  2. Step 2: Convert to fraction form
    1,207,470.30/1,811,205.45 = 647,598.30/x
  3. Step 3: Cross multiply
    1,207,470.30x = 1,811,205.45 × 647,598.30
  4. Step 4: Simplify right side
    1,207,470.30x = 1,172,933,570,370.74
  5. Step 5: Solve for x
    x = 1,172,933,570,370.74/1,207,470.30
  6. Step 6: Final answer
    x = 971,397.45

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Double scale
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Similar ratio
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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.