Home / 700,372.38-1,048,875.10-399,943.38

Finding the Fourth Proportional to 700,372.38, 1,048,875.10 and 399,943.38

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Solution

The fourth proportional to 700,372.38, 1,048,875.10 and 399,943.38 is: 598,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,372.38 : 1,048,875.10 = 399,943.38 : x
  2. Step 2: Convert to fraction form
    700,372.38/1,048,875.10 = 399,943.38/x
  3. Step 3: Cross multiply
    700,372.38x = 1,048,875.10 × 399,943.38
  4. Step 4: Simplify right side
    700,372.38x = 419,490,652,691.84
  5. Step 5: Solve for x
    x = 419,490,652,691.84/700,372.38
  6. Step 6: Final answer
    x = 598,953.73

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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.