Home / 526,816.10-727,008.50-285,098.69

Finding the Fourth Proportional to 526,816.10, 727,008.50 and 285,098.69

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Solution

The fourth proportional to 526,816.10, 727,008.50 and 285,098.69 is: 393,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,816.10 : 727,008.50 = 285,098.69 : x
  2. Step 2: Convert to fraction form
    526,816.10/727,008.50 = 285,098.69/x
  3. Step 3: Cross multiply
    526,816.10x = 727,008.50 × 285,098.69
  4. Step 4: Simplify right side
    526,816.10x = 207,269,173,499.13
  5. Step 5: Solve for x
    x = 207,269,173,499.13/526,816.10
  6. Step 6: Final answer
    x = 393,437.43

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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.