Home / 651,050.80-976,576.20-539,076.40

Finding the Fourth Proportional to 651,050.80, 976,576.20 and 539,076.40

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Solution

The fourth proportional to 651,050.80, 976,576.20 and 539,076.40 is: 808,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,050.80 : 976,576.20 = 539,076.40 : x
  2. Step 2: Convert to fraction form
    651,050.80/976,576.20 = 539,076.40/x
  3. Step 3: Cross multiply
    651,050.80x = 976,576.20 × 539,076.40
  4. Step 4: Simplify right side
    651,050.80x = 526,449,182,221.68
  5. Step 5: Solve for x
    x = 526,449,182,221.68/651,050.80
  6. Step 6: Final answer
    x = 808,614.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.