Home / 618,741.04-928,285.80-239,776.24

Finding the Fourth Proportional to 618,741.04, 928,285.80 and 239,776.24

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Solution

The fourth proportional to 618,741.04, 928,285.80 and 239,776.24 is: 359,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,741.04 : 928,285.80 = 239,776.24 : x
  2. Step 2: Convert to fraction form
    618,741.04/928,285.80 = 239,776.24/x
  3. Step 3: Cross multiply
    618,741.04x = 928,285.80 × 239,776.24
  4. Step 4: Simplify right side
    618,741.04x = 222,580,878,769.39
  5. Step 5: Solve for x
    x = 222,580,878,769.39/618,741.04
  6. Step 6: Final answer
    x = 359,731.88

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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.