Home / 769,801.91-1,154,308.59-410,177.70

Finding the Fourth Proportional to 769,801.91, 1,154,308.59 and 410,177.70

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Solution

The fourth proportional to 769,801.91, 1,154,308.59 and 410,177.70 is: 615,056.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,801.91 : 1,154,308.59 = 410,177.70 : x
  2. Step 2: Convert to fraction form
    769,801.91/1,154,308.59 = 410,177.70/x
  3. Step 3: Cross multiply
    769,801.91x = 1,154,308.59 × 410,177.70
  4. Step 4: Simplify right side
    769,801.91x = 473,471,642,536.44
  5. Step 5: Solve for x
    x = 473,471,642,536.44/769,801.91
  6. Step 6: Final answer
    x = 615,056.47

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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.