Home / 869,198.52-1,199,483.18-487,224.76

Finding the Fourth Proportional to 869,198.52, 1,199,483.18 and 487,224.76

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Solution

The fourth proportional to 869,198.52, 1,199,483.18 and 487,224.76 is: 672,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,198.52 : 1,199,483.18 = 487,224.76 : x
  2. Step 2: Convert to fraction form
    869,198.52/1,199,483.18 = 487,224.76/x
  3. Step 3: Cross multiply
    869,198.52x = 1,199,483.18 × 487,224.76
  4. Step 4: Simplify right side
    869,198.52x = 584,417,904,499.54
  5. Step 5: Solve for x
    x = 584,417,904,499.54/869,198.52
  6. Step 6: Final answer
    x = 672,364.13

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Double scale
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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.