Home / 646,501.32-892,192.11-356,133.95

Finding the Fourth Proportional to 646,501.32, 892,192.11 and 356,133.95

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Solution

The fourth proportional to 646,501.32, 892,192.11 and 356,133.95 is: 491,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,501.32 : 892,192.11 = 356,133.95 : x
  2. Step 2: Convert to fraction form
    646,501.32/892,192.11 = 356,133.95/x
  3. Step 3: Cross multiply
    646,501.32x = 892,192.11 × 356,133.95
  4. Step 4: Simplify right side
    646,501.32x = 317,739,895,832.17
  5. Step 5: Solve for x
    x = 317,739,895,832.17/646,501.32
  6. Step 6: Final answer
    x = 491,476.02

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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.