Home / 916,822.05-1,376,138.17-688,322.92

Finding the Fourth Proportional to 916,822.05, 1,376,138.17 and 688,322.92

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Solution

The fourth proportional to 916,822.05, 1,376,138.17 and 688,322.92 is: 1,033,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,822.05 : 1,376,138.17 = 688,322.92 : x
  2. Step 2: Convert to fraction form
    916,822.05/1,376,138.17 = 688,322.92/x
  3. Step 3: Cross multiply
    916,822.05x = 1,376,138.17 × 688,322.92
  4. Step 4: Simplify right side
    916,822.05x = 947,227,443,497.86
  5. Step 5: Solve for x
    x = 947,227,443,497.86/916,822.05
  6. Step 6: Final answer
    x = 1,033,163.90

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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.