Home / 798,470.60-1,197,705.90-515,035.40

Finding the Fourth Proportional to 798,470.60, 1,197,705.90 and 515,035.40

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Solution

The fourth proportional to 798,470.60, 1,197,705.90 and 515,035.40 is: 772,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,470.60 : 1,197,705.90 = 515,035.40 : x
  2. Step 2: Convert to fraction form
    798,470.60/1,197,705.90 = 515,035.40/x
  3. Step 3: Cross multiply
    798,470.60x = 1,197,705.90 × 515,035.40
  4. Step 4: Simplify right side
    798,470.60x = 616,860,937,288.86
  5. Step 5: Solve for x
    x = 616,860,937,288.86/798,470.60
  6. Step 6: Final answer
    x = 772,553.10

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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.