Home / 784,891.39-1,175,281.59-514,167.85

Finding the Fourth Proportional to 784,891.39, 1,175,281.59 and 514,167.85

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Solution

The fourth proportional to 784,891.39, 1,175,281.59 and 514,167.85 is: 769,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,891.39 : 1,175,281.59 = 514,167.85 : x
  2. Step 2: Convert to fraction form
    784,891.39/1,175,281.59 = 514,167.85/x
  3. Step 3: Cross multiply
    784,891.39x = 1,175,281.59 × 514,167.85
  4. Step 4: Simplify right side
    784,891.39x = 604,292,008,274.88
  5. Step 5: Solve for x
    x = 604,292,008,274.88/784,891.39
  6. Step 6: Final answer
    x = 769,905.26

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Double scale
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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.