Home / 522,947.56-784,753.08-223,430.40

Finding the Fourth Proportional to 522,947.56, 784,753.08 and 223,430.40

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Solution

The fourth proportional to 522,947.56, 784,753.08 and 223,430.40 is: 335,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,947.56 : 784,753.08 = 223,430.40 : x
  2. Step 2: Convert to fraction form
    522,947.56/784,753.08 = 223,430.40/x
  3. Step 3: Cross multiply
    522,947.56x = 784,753.08 × 223,430.40
  4. Step 4: Simplify right side
    522,947.56x = 175,337,694,565.63
  5. Step 5: Solve for x
    x = 175,337,694,565.63/522,947.56
  6. Step 6: Final answer
    x = 335,287.34

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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.