Home / 770,862.35-1,063,763.35-426,713.29

Finding the Fourth Proportional to 770,862.35, 1,063,763.35 and 426,713.29

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Solution

The fourth proportional to 770,862.35, 1,063,763.35 and 426,713.29 is: 588,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,862.35 : 1,063,763.35 = 426,713.29 : x
  2. Step 2: Convert to fraction form
    770,862.35/1,063,763.35 = 426,713.29/x
  3. Step 3: Cross multiply
    770,862.35x = 1,063,763.35 × 426,713.29
  4. Step 4: Simplify right side
    770,862.35x = 453,921,958,859.92
  5. Step 5: Solve for x
    x = 453,921,958,859.92/770,862.35
  6. Step 6: Final answer
    x = 588,849.56

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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.