Home / 770,265.78-1,063,113.84-516,060.24

Finding the Fourth Proportional to 770,265.78, 1,063,113.84 and 516,060.24

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Solution

The fourth proportional to 770,265.78, 1,063,113.84 and 516,060.24 is: 712,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,265.78 : 1,063,113.84 = 516,060.24 : x
  2. Step 2: Convert to fraction form
    770,265.78/1,063,113.84 = 516,060.24/x
  3. Step 3: Cross multiply
    770,265.78x = 1,063,113.84 × 516,060.24
  4. Step 4: Simplify right side
    770,265.78x = 548,630,783,417.72
  5. Step 5: Solve for x
    x = 548,630,783,417.72/770,265.78
  6. Step 6: Final answer
    x = 712,261.66

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Double scale
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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.