Home / 770,977.44-1,063,946.34-431,444.88

Finding the Fourth Proportional to 770,977.44, 1,063,946.34 and 431,444.88

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Solution

The fourth proportional to 770,977.44, 1,063,946.34 and 431,444.88 is: 595,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,977.44 : 1,063,946.34 = 431,444.88 : x
  2. Step 2: Convert to fraction form
    770,977.44/1,063,946.34 = 431,444.88/x
  3. Step 3: Cross multiply
    770,977.44x = 1,063,946.34 × 431,444.88
  4. Step 4: Simplify right side
    770,977.44x = 459,034,200,987.74
  5. Step 5: Solve for x
    x = 459,034,200,987.74/770,977.44
  6. Step 6: Final answer
    x = 595,392.52

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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.