Home / 525,232.14-786,585.38-299,909.78

Finding the Fourth Proportional to 525,232.14, 786,585.38 and 299,909.78

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Solution

The fourth proportional to 525,232.14, 786,585.38 and 299,909.78 is: 449,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,232.14 : 786,585.38 = 299,909.78 : x
  2. Step 2: Convert to fraction form
    525,232.14/786,585.38 = 299,909.78/x
  3. Step 3: Cross multiply
    525,232.14x = 786,585.38 × 299,909.78
  4. Step 4: Simplify right side
    525,232.14x = 235,904,648,267.02
  5. Step 5: Solve for x
    x = 235,904,648,267.02/525,232.14
  6. Step 6: Final answer
    x = 449,143.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.