Home / 526,826.31-727,022.16-285,108.81

Finding the Fourth Proportional to 526,826.31, 727,022.16 and 285,108.81

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Solution

The fourth proportional to 526,826.31, 727,022.16 and 285,108.81 is: 393,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,826.31 : 727,022.16 = 285,108.81 : x
  2. Step 2: Convert to fraction form
    526,826.31/727,022.16 = 285,108.81/x
  3. Step 3: Cross multiply
    526,826.31x = 727,022.16 × 285,108.81
  4. Step 4: Simplify right side
    526,826.31x = 207,280,422,881.23
  5. Step 5: Solve for x
    x = 207,280,422,881.23/526,826.31
  6. Step 6: Final answer
    x = 393,451.16

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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.