Home / 856,663.48-1,182,195.20-512,513.96

Finding the Fourth Proportional to 856,663.48, 1,182,195.20 and 512,513.96

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Solution

The fourth proportional to 856,663.48, 1,182,195.20 and 512,513.96 is: 707,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,663.48 : 1,182,195.20 = 512,513.96 : x
  2. Step 2: Convert to fraction form
    856,663.48/1,182,195.20 = 512,513.96/x
  3. Step 3: Cross multiply
    856,663.48x = 1,182,195.20 × 512,513.96
  4. Step 4: Simplify right side
    856,663.48x = 605,891,543,444.99
  5. Step 5: Solve for x
    x = 605,891,543,444.99/856,663.48
  6. Step 6: Final answer
    x = 707,269.02

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1.5x scale

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.