Home / 847,643.38-1,169,748.33-465,694.76

Finding the Fourth Proportional to 847,643.38, 1,169,748.33 and 465,694.76

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Solution

The fourth proportional to 847,643.38, 1,169,748.33 and 465,694.76 is: 642,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,643.38 : 1,169,748.33 = 465,694.76 : x
  2. Step 2: Convert to fraction form
    847,643.38/1,169,748.33 = 465,694.76/x
  3. Step 3: Cross multiply
    847,643.38x = 1,169,748.33 × 465,694.76
  4. Step 4: Simplify right side
    847,643.38x = 544,745,667,799.75
  5. Step 5: Solve for x
    x = 544,745,667,799.75/847,643.38
  6. Step 6: Final answer
    x = 642,659.03

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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.