Home / 654,439.04-981,128.06-294,346.24

Finding the Fourth Proportional to 654,439.04, 981,128.06 and 294,346.24

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Solution

The fourth proportional to 654,439.04, 981,128.06 and 294,346.24 is: 441,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,439.04 : 981,128.06 = 294,346.24 : x
  2. Step 2: Convert to fraction form
    654,439.04/981,128.06 = 294,346.24/x
  3. Step 3: Cross multiply
    654,439.04x = 981,128.06 × 294,346.24
  4. Step 4: Simplify right side
    654,439.04x = 288,791,352,598.74
  5. Step 5: Solve for x
    x = 288,791,352,598.74/654,439.04
  6. Step 6: Final answer
    x = 441,280.75

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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.