Home / 828,810.60-1,143,750.36-461,281.61

Finding the Fourth Proportional to 828,810.60, 1,143,750.36 and 461,281.61

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Solution

The fourth proportional to 828,810.60, 1,143,750.36 and 461,281.61 is: 636,564.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,810.60 : 1,143,750.36 = 461,281.61 : x
  2. Step 2: Convert to fraction form
    828,810.60/1,143,750.36 = 461,281.61/x
  3. Step 3: Cross multiply
    828,810.60x = 1,143,750.36 × 461,281.61
  4. Step 4: Simplify right side
    828,810.60x = 527,591,001,780.13
  5. Step 5: Solve for x
    x = 527,591,001,780.13/828,810.60
  6. Step 6: Final answer
    x = 636,564.01

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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.