Home / 1,193,564.15-1,647,139.55-649,715.57

Finding the Fourth Proportional to 1,193,564.15, 1,647,139.55 and 649,715.57

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Solution

The fourth proportional to 1,193,564.15, 1,647,139.55 and 649,715.57 is: 896,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,564.15 : 1,647,139.55 = 649,715.57 : x
  2. Step 2: Convert to fraction form
    1,193,564.15/1,647,139.55 = 649,715.57/x
  3. Step 3: Cross multiply
    1,193,564.15x = 1,647,139.55 × 649,715.57
  4. Step 4: Simplify right side
    1,193,564.15x = 1,070,172,211,597.79
  5. Step 5: Solve for x
    x = 1,070,172,211,597.79/1,193,564.15
  6. Step 6: Final answer
    x = 896,618.93

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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.