Home / 526,437.36-726,422.04-296,998.25

Finding the Fourth Proportional to 526,437.36, 726,422.04 and 296,998.25

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Solution

The fourth proportional to 526,437.36, 726,422.04 and 296,998.25 is: 409,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,437.36 : 726,422.04 = 296,998.25 : x
  2. Step 2: Convert to fraction form
    526,437.36/726,422.04 = 296,998.25/x
  3. Step 3: Cross multiply
    526,437.36x = 726,422.04 × 296,998.25
  4. Step 4: Simplify right side
    526,437.36x = 215,746,071,009.32
  5. Step 5: Solve for x
    x = 215,746,071,009.32/526,437.36
  6. Step 6: Final answer
    x = 409,822.87

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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.