Home / 771,167.13-1,154,738.66-620,584.89

Finding the Fourth Proportional to 771,167.13, 1,154,738.66 and 620,584.89

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Solution

The fourth proportional to 771,167.13, 1,154,738.66 and 620,584.89 is: 929,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,167.13 : 1,154,738.66 = 620,584.89 : x
  2. Step 2: Convert to fraction form
    771,167.13/1,154,738.66 = 620,584.89/x
  3. Step 3: Cross multiply
    771,167.13x = 1,154,738.66 × 620,584.89
  4. Step 4: Simplify right side
    771,167.13x = 716,613,361,191.92
  5. Step 5: Solve for x
    x = 716,613,361,191.92/771,167.13
  6. Step 6: Final answer
    x = 929,258.18

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1.5x scale

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.