Home / 1,185,034.84-1,634,882.76-688,234.17

Finding the Fourth Proportional to 1,185,034.84, 1,634,882.76 and 688,234.17

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Solution

The fourth proportional to 1,185,034.84, 1,634,882.76 and 688,234.17 is: 949,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,034.84 : 1,634,882.76 = 688,234.17 : x
  2. Step 2: Convert to fraction form
    1,185,034.84/1,634,882.76 = 688,234.17/x
  3. Step 3: Cross multiply
    1,185,034.84x = 1,634,882.76 × 688,234.17
  4. Step 4: Simplify right side
    1,185,034.84x = 1,125,182,179,375.91
  5. Step 5: Solve for x
    x = 1,125,182,179,375.91/1,185,034.84
  6. Step 6: Final answer
    x = 949,492.91

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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.