Home / 648,029.60-972,044.40-529,834.40

Finding the Fourth Proportional to 648,029.60, 972,044.40 and 529,834.40

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Solution

The fourth proportional to 648,029.60, 972,044.40 and 529,834.40 is: 794,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,029.60 : 972,044.40 = 529,834.40 : x
  2. Step 2: Convert to fraction form
    648,029.60/972,044.40 = 529,834.40/x
  3. Step 3: Cross multiply
    648,029.60x = 972,044.40 × 529,834.40
  4. Step 4: Simplify right side
    648,029.60x = 515,022,561,447.36
  5. Step 5: Solve for x
    x = 515,022,561,447.36/648,029.60
  6. Step 6: Final answer
    x = 794,751.60

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Double scale
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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.