Home / 985,597.16-1,477,760.13-386,618.87

Finding the Fourth Proportional to 985,597.16, 1,477,760.13 and 386,618.87

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Solution

The fourth proportional to 985,597.16, 1,477,760.13 and 386,618.87 is: 579,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,597.16 : 1,477,760.13 = 386,618.87 : x
  2. Step 2: Convert to fraction form
    985,597.16/1,477,760.13 = 386,618.87/x
  3. Step 3: Cross multiply
    985,597.16x = 1,477,760.13 × 386,618.87
  4. Step 4: Simplify right side
    985,597.16x = 571,329,951,591.65
  5. Step 5: Solve for x
    x = 571,329,951,591.65/985,597.16
  6. Step 6: Final answer
    x = 579,678.98

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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.