Home / 778,925.20-1,168,387.80-474,494.80

Finding the Fourth Proportional to 778,925.20, 1,168,387.80 and 474,494.80

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Solution

The fourth proportional to 778,925.20, 1,168,387.80 and 474,494.80 is: 711,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,925.20 : 1,168,387.80 = 474,494.80 : x
  2. Step 2: Convert to fraction form
    778,925.20/1,168,387.80 = 474,494.80/x
  3. Step 3: Cross multiply
    778,925.20x = 1,168,387.80 × 474,494.80
  4. Step 4: Simplify right side
    778,925.20x = 554,393,935,483.44
  5. Step 5: Solve for x
    x = 554,393,935,483.44/778,925.20
  6. Step 6: Final answer
    x = 711,742.20

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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.