Home / 778,880.55-1,168,320.83-441,790.95

Finding the Fourth Proportional to 778,880.55, 1,168,320.83 and 441,790.95

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Solution

The fourth proportional to 778,880.55, 1,168,320.83 and 441,790.95 is: 662,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,880.55 : 1,168,320.83 = 441,790.95 : x
  2. Step 2: Convert to fraction form
    778,880.55/1,168,320.83 = 441,790.95/x
  3. Step 3: Cross multiply
    778,880.55x = 1,168,320.83 × 441,790.95
  4. Step 4: Simplify right side
    778,880.55x = 516,153,567,181.53
  5. Step 5: Solve for x
    x = 516,153,567,181.53/778,880.55
  6. Step 6: Final answer
    x = 662,686.43

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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.