Home / 880,005.38-1,214,407.92-477,597.38

Finding the Fourth Proportional to 880,005.38, 1,214,407.92 and 477,597.38

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Solution

The fourth proportional to 880,005.38, 1,214,407.92 and 477,597.38 is: 659,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,005.38 : 1,214,407.92 = 477,597.38 : x
  2. Step 2: Convert to fraction form
    880,005.38/1,214,407.92 = 477,597.38/x
  3. Step 3: Cross multiply
    880,005.38x = 1,214,407.92 × 477,597.38
  4. Step 4: Simplify right side
    880,005.38x = 579,998,034,771.21
  5. Step 5: Solve for x
    x = 579,998,034,771.21/880,005.38
  6. Step 6: Final answer
    x = 659,084.65

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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.