Home / 778,880.30-1,168,320.45-441,790.70

Finding the Fourth Proportional to 778,880.30, 1,168,320.45 and 441,790.70

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Solution

The fourth proportional to 778,880.30, 1,168,320.45 and 441,790.70 is: 662,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,880.30 : 1,168,320.45 = 441,790.70 : x
  2. Step 2: Convert to fraction form
    778,880.30/1,168,320.45 = 441,790.70/x
  3. Step 3: Cross multiply
    778,880.30x = 1,168,320.45 × 441,790.70
  4. Step 4: Simplify right side
    778,880.30x = 516,153,109,429.82
  5. Step 5: Solve for x
    x = 516,153,109,429.82/778,880.30
  6. Step 6: Final answer
    x = 662,686.05

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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.