Home / 619,938.47-929,798.55-170,550.87

Finding the Fourth Proportional to 619,938.47, 929,798.55 and 170,550.87

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Solution

The fourth proportional to 619,938.47, 929,798.55 and 170,550.87 is: 255,796.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,938.47 : 929,798.55 = 170,550.87 : x
  2. Step 2: Convert to fraction form
    619,938.47/929,798.55 = 170,550.87/x
  3. Step 3: Cross multiply
    619,938.47x = 929,798.55 × 170,550.87
  4. Step 4: Simplify right side
    619,938.47x = 158,577,951,627.24
  5. Step 5: Solve for x
    x = 158,577,951,627.24/619,938.47
  6. Step 6: Final answer
    x = 255,796.28

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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.