Home / 659,566.86-908,958.28-528,595.74

Finding the Fourth Proportional to 659,566.86, 908,958.28 and 528,595.74

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Solution

The fourth proportional to 659,566.86, 908,958.28 and 528,595.74 is: 728,465.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,566.86 : 908,958.28 = 528,595.74 : x
  2. Step 2: Convert to fraction form
    659,566.86/908,958.28 = 528,595.74/x
  3. Step 3: Cross multiply
    659,566.86x = 908,958.28 × 528,595.74
  4. Step 4: Simplify right side
    659,566.86x = 480,471,474,645.73
  5. Step 5: Solve for x
    x = 480,471,474,645.73/659,566.86
  6. Step 6: Final answer
    x = 728,465.15

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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.