Home / 521,623.28-719,790.36-414,452.72

Finding the Fourth Proportional to 521,623.28, 719,790.36 and 414,452.72

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Solution

The fourth proportional to 521,623.28, 719,790.36 and 414,452.72 is: 571,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,623.28 : 719,790.36 = 414,452.72 : x
  2. Step 2: Convert to fraction form
    521,623.28/719,790.36 = 414,452.72/x
  3. Step 3: Cross multiply
    521,623.28x = 719,790.36 × 414,452.72
  4. Step 4: Simplify right side
    521,623.28x = 298,319,072,531.78
  5. Step 5: Solve for x
    x = 298,319,072,531.78/521,623.28
  6. Step 6: Final answer
    x = 571,905.21

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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.