Home / 770,444.41-1,063,244.60-426,274.78

Finding the Fourth Proportional to 770,444.41, 1,063,244.60 and 426,274.78

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Solution

The fourth proportional to 770,444.41, 1,063,244.60 and 426,274.78 is: 588,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,444.41 : 1,063,244.60 = 426,274.78 : x
  2. Step 2: Convert to fraction form
    770,444.41/1,063,244.60 = 426,274.78/x
  3. Step 3: Cross multiply
    770,444.41x = 1,063,244.60 × 426,274.78
  4. Step 4: Simplify right side
    770,444.41x = 453,234,354,962.34
  5. Step 5: Solve for x
    x = 453,234,354,962.34/770,444.41
  6. Step 6: Final answer
    x = 588,276.52

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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.