Home / 869,079.06-1,199,325.33-487,105.83

Finding the Fourth Proportional to 869,079.06, 1,199,325.33 and 487,105.83

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Solution

The fourth proportional to 869,079.06, 1,199,325.33 and 487,105.83 is: 672,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,079.06 : 1,199,325.33 = 487,105.83 : x
  2. Step 2: Convert to fraction form
    869,079.06/1,199,325.33 = 487,105.83/x
  3. Step 3: Cross multiply
    869,079.06x = 1,199,325.33 × 487,105.83
  4. Step 4: Simplify right side
    869,079.06x = 584,198,360,309.67
  5. Step 5: Solve for x
    x = 584,198,360,309.67/869,079.06
  6. Step 6: Final answer
    x = 672,203.93

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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.