Home / 730,456.89-1,095,685.32-197,977.91

Finding the Fourth Proportional to 730,456.89, 1,095,685.32 and 197,977.91

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Solution

The fourth proportional to 730,456.89, 1,095,685.32 and 197,977.91 is: 296,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,456.89 : 1,095,685.32 = 197,977.91 : x
  2. Step 2: Convert to fraction form
    730,456.89/1,095,685.32 = 197,977.91/x
  3. Step 3: Cross multiply
    730,456.89x = 1,095,685.32 × 197,977.91
  4. Step 4: Simplify right side
    730,456.89x = 216,921,488,165.65
  5. Step 5: Solve for x
    x = 216,921,488,165.65/730,456.89
  6. Step 6: Final answer
    x = 296,966.86

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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.