Home / 912,609.91-1,259,570.15-586,330.79

Finding the Fourth Proportional to 912,609.91, 1,259,570.15 and 586,330.79

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Solution

The fourth proportional to 912,609.91, 1,259,570.15 and 586,330.79 is: 809,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,609.91 : 1,259,570.15 = 586,330.79 : x
  2. Step 2: Convert to fraction form
    912,609.91/1,259,570.15 = 586,330.79/x
  3. Step 3: Cross multiply
    912,609.91x = 1,259,570.15 × 586,330.79
  4. Step 4: Simplify right side
    912,609.91x = 738,524,761,385.63
  5. Step 5: Solve for x
    x = 738,524,761,385.63/912,609.91
  6. Step 6: Final answer
    x = 809,244.73

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Double scale
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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.