Home / 749,691.18-1,124,537.04-217,212.57

Finding the Fourth Proportional to 749,691.18, 1,124,537.04 and 217,212.57

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Solution

The fourth proportional to 749,691.18, 1,124,537.04 and 217,212.57 is: 325,818.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,691.18 : 1,124,537.04 = 217,212.57 : x
  2. Step 2: Convert to fraction form
    749,691.18/1,124,537.04 = 217,212.57/x
  3. Step 3: Cross multiply
    749,691.18x = 1,124,537.04 × 217,212.57
  4. Step 4: Simplify right side
    749,691.18x = 244,263,580,518.59
  5. Step 5: Solve for x
    x = 244,263,580,518.59/749,691.18
  6. Step 6: Final answer
    x = 325,818.93

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Double scale
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Similar ratio
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1.5x scale

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.