Home / 1,350,339.45-1,863,697.59-777,711.17

Finding the Fourth Proportional to 1,350,339.45, 1,863,697.59 and 777,711.17

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Solution

The fourth proportional to 1,350,339.45, 1,863,697.59 and 777,711.17 is: 1,073,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,339.45 : 1,863,697.59 = 777,711.17 : x
  2. Step 2: Convert to fraction form
    1,350,339.45/1,863,697.59 = 777,711.17/x
  3. Step 3: Cross multiply
    1,350,339.45x = 1,863,697.59 × 777,711.17
  4. Step 4: Simplify right side
    1,350,339.45x = 1,449,418,433,245.08
  5. Step 5: Solve for x
    x = 1,449,418,433,245.08/1,350,339.45
  6. Step 6: Final answer
    x = 1,073,373.39

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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.