Home / 344,331.60-516,497.40-289,219.20

Finding the Fourth Proportional to 344,331.60, 516,497.40 and 289,219.20

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Solution

The fourth proportional to 344,331.60, 516,497.40 and 289,219.20 is: 433,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,331.60 : 516,497.40 = 289,219.20 : x
  2. Step 2: Convert to fraction form
    344,331.60/516,497.40 = 289,219.20/x
  3. Step 3: Cross multiply
    344,331.60x = 516,497.40 × 289,219.20
  4. Step 4: Simplify right side
    344,331.60x = 149,380,964,830.08
  5. Step 5: Solve for x
    x = 149,380,964,830.08/344,331.60
  6. Step 6: Final answer
    x = 433,828.80

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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.