Home / 770,200.60-1,062,795.02-425,981.83

Finding the Fourth Proportional to 770,200.60, 1,062,795.02 and 425,981.83

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Solution

The fourth proportional to 770,200.60, 1,062,795.02 and 425,981.83 is: 587,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,200.60 : 1,062,795.02 = 425,981.83 : x
  2. Step 2: Convert to fraction form
    770,200.60/1,062,795.02 = 425,981.83/x
  3. Step 3: Cross multiply
    770,200.60x = 1,062,795.02 × 425,981.83
  4. Step 4: Simplify right side
    770,200.60x = 452,731,367,534.49
  5. Step 5: Solve for x
    x = 452,731,367,534.49/770,200.60
  6. Step 6: Final answer
    x = 587,809.68

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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.