Home / 1,186,711.17-1,780,116.08-345,262.92

Finding the Fourth Proportional to 1,186,711.17, 1,780,116.08 and 345,262.92

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Solution

The fourth proportional to 1,186,711.17, 1,780,116.08 and 345,262.92 is: 517,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,711.17 : 1,780,116.08 = 345,262.92 : x
  2. Step 2: Convert to fraction form
    1,186,711.17/1,780,116.08 = 345,262.92/x
  3. Step 3: Cross multiply
    1,186,711.17x = 1,780,116.08 × 345,262.92
  4. Step 4: Simplify right side
    1,186,711.17x = 614,608,073,993.44
  5. Step 5: Solve for x
    x = 614,608,073,993.44/1,186,711.17
  6. Step 6: Final answer
    x = 517,908.73

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Double scale
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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.