Home / 861,056.83-1,188,422.94-570,155.30

Finding the Fourth Proportional to 861,056.83, 1,188,422.94 and 570,155.30

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Solution

The fourth proportional to 861,056.83, 1,188,422.94 and 570,155.30 is: 786,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,056.83 : 1,188,422.94 = 570,155.30 : x
  2. Step 2: Convert to fraction form
    861,056.83/1,188,422.94 = 570,155.30/x
  3. Step 3: Cross multiply
    861,056.83x = 1,188,422.94 × 570,155.30
  4. Step 4: Simplify right side
    861,056.83x = 677,585,642,012.89
  5. Step 5: Solve for x
    x = 677,585,642,012.89/861,056.83
  6. Step 6: Final answer
    x = 786,923.25

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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.