Home / 526,020.16-725,871.36-296,585.60

Finding the Fourth Proportional to 526,020.16, 725,871.36 and 296,585.60

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Solution

The fourth proportional to 526,020.16, 725,871.36 and 296,585.60 is: 409,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,020.16 : 725,871.36 = 296,585.60 : x
  2. Step 2: Convert to fraction form
    526,020.16/725,871.36 = 296,585.60/x
  3. Step 3: Cross multiply
    526,020.16x = 725,871.36 × 296,585.60
  4. Step 4: Simplify right side
    526,020.16x = 215,282,992,828.42
  5. Step 5: Solve for x
    x = 215,282,992,828.42/526,020.16
  6. Step 6: Final answer
    x = 409,267.57

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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.