Home / 581,623.31-872,435.29-265,858.79

Finding the Fourth Proportional to 581,623.31, 872,435.29 and 265,858.79

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Solution

The fourth proportional to 581,623.31, 872,435.29 and 265,858.79 is: 398,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,623.31 : 872,435.29 = 265,858.79 : x
  2. Step 2: Convert to fraction form
    581,623.31/872,435.29 = 265,858.79/x
  3. Step 3: Cross multiply
    581,623.31x = 872,435.29 × 265,858.79
  4. Step 4: Simplify right side
    581,623.31x = 231,944,585,525.88
  5. Step 5: Solve for x
    x = 231,944,585,525.88/581,623.31
  6. Step 6: Final answer
    x = 398,788.32

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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.