Home / 849,171.67-1,171,359.30-543,136.39

Finding the Fourth Proportional to 849,171.67, 1,171,359.30 and 543,136.39

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Solution

The fourth proportional to 849,171.67, 1,171,359.30 and 543,136.39 is: 749,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,171.67 : 1,171,359.30 = 543,136.39 : x
  2. Step 2: Convert to fraction form
    849,171.67/1,171,359.30 = 543,136.39/x
  3. Step 3: Cross multiply
    849,171.67x = 1,171,359.30 × 543,136.39
  4. Step 4: Simplify right side
    849,171.67x = 636,207,861,594.93
  5. Step 5: Solve for x
    x = 636,207,861,594.93/849,171.67
  6. Step 6: Final answer
    x = 749,209.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.