Home / 766,248.90-1,149,373.35-646,674.68

Finding the Fourth Proportional to 766,248.90, 1,149,373.35 and 646,674.68

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Solution

The fourth proportional to 766,248.90, 1,149,373.35 and 646,674.68 is: 970,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,248.90 : 1,149,373.35 = 646,674.68 : x
  2. Step 2: Convert to fraction form
    766,248.90/1,149,373.35 = 646,674.68/x
  3. Step 3: Cross multiply
    766,248.90x = 1,149,373.35 × 646,674.68
  4. Step 4: Simplify right side
    766,248.90x = 743,270,637,564.91
  5. Step 5: Solve for x
    x = 743,270,637,564.91/766,248.90
  6. Step 6: Final answer
    x = 970,012.01

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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.