Home / 849,189.72-1,171,384.12-543,154.44

Finding the Fourth Proportional to 849,189.72, 1,171,384.12 and 543,154.44

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Solution

The fourth proportional to 849,189.72, 1,171,384.12 and 543,154.44 is: 749,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,189.72 : 1,171,384.12 = 543,154.44 : x
  2. Step 2: Convert to fraction form
    849,189.72/1,171,384.12 = 543,154.44/x
  3. Step 3: Cross multiply
    849,189.72x = 1,171,384.12 × 543,154.44
  4. Step 4: Simplify right side
    849,189.72x = 636,242,485,723.49
  5. Step 5: Solve for x
    x = 636,242,485,723.49/849,189.72
  6. Step 6: Final answer
    x = 749,234.79

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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.