Home / 648,127.70-972,191.55-530,029.70

Finding the Fourth Proportional to 648,127.70, 972,191.55 and 530,029.70

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Solution

The fourth proportional to 648,127.70, 972,191.55 and 530,029.70 is: 795,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,127.70 : 972,191.55 = 530,029.70 : x
  2. Step 2: Convert to fraction form
    648,127.70/972,191.55 = 530,029.70/x
  3. Step 3: Cross multiply
    648,127.70x = 972,191.55 × 530,029.70
  4. Step 4: Simplify right side
    648,127.70x = 515,290,395,589.04
  5. Step 5: Solve for x
    x = 515,290,395,589.04/648,127.70
  6. Step 6: Final answer
    x = 795,044.55

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Similar ratio
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1.5x scale

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.