Home / 708,463.68-1,061,514.24-508,484.40

Finding the Fourth Proportional to 708,463.68, 1,061,514.24 and 508,484.40

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Solution

The fourth proportional to 708,463.68, 1,061,514.24 and 508,484.40 is: 761,878.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,463.68 : 1,061,514.24 = 508,484.40 : x
  2. Step 2: Convert to fraction form
    708,463.68/1,061,514.24 = 508,484.40/x
  3. Step 3: Cross multiply
    708,463.68x = 1,061,514.24 × 508,484.40
  4. Step 4: Simplify right side
    708,463.68x = 539,763,431,417.86
  5. Step 5: Solve for x
    x = 539,763,431,417.86/708,463.68
  6. Step 6: Final answer
    x = 761,878.76

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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.