Home / 864,586.78-1,193,125.14-502,099.72

Finding the Fourth Proportional to 864,586.78, 1,193,125.14 and 502,099.72

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Solution

The fourth proportional to 864,586.78, 1,193,125.14 and 502,099.72 is: 692,894.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,586.78 : 1,193,125.14 = 502,099.72 : x
  2. Step 2: Convert to fraction form
    864,586.78/1,193,125.14 = 502,099.72/x
  3. Step 3: Cross multiply
    864,586.78x = 1,193,125.14 × 502,099.72
  4. Step 4: Simplify right side
    864,586.78x = 599,067,795,736.15
  5. Step 5: Solve for x
    x = 599,067,795,736.15/864,586.78
  6. Step 6: Final answer
    x = 692,894.93

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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.