Home / 1,108,845.22-1,530,143.57-625,381.46

Finding the Fourth Proportional to 1,108,845.22, 1,530,143.57 and 625,381.46

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Solution

The fourth proportional to 1,108,845.22, 1,530,143.57 and 625,381.46 is: 862,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,845.22 : 1,530,143.57 = 625,381.46 : x
  2. Step 2: Convert to fraction form
    1,108,845.22/1,530,143.57 = 625,381.46/x
  3. Step 3: Cross multiply
    1,108,845.22x = 1,530,143.57 × 625,381.46
  4. Step 4: Simplify right side
    1,108,845.22x = 956,923,416,689.31
  5. Step 5: Solve for x
    x = 956,923,416,689.31/1,108,845.22
  6. Step 6: Final answer
    x = 862,990.98

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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.