Home / 571,917.22-857,318.01-272,317.30

Finding the Fourth Proportional to 571,917.22, 857,318.01 and 272,317.30

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Solution

The fourth proportional to 571,917.22, 857,318.01 and 272,317.30 is: 408,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,917.22 : 857,318.01 = 272,317.30 : x
  2. Step 2: Convert to fraction form
    571,917.22/857,318.01 = 272,317.30/x
  3. Step 3: Cross multiply
    571,917.22x = 857,318.01 × 272,317.30
  4. Step 4: Simplify right side
    571,917.22x = 233,462,525,724.57
  5. Step 5: Solve for x
    x = 233,462,525,724.57/571,917.22
  6. Step 6: Final answer
    x = 408,210.35

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Double scale
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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.