Home / 519,845.04-717,434.42-315,848.97

Finding the Fourth Proportional to 519,845.04, 717,434.42 and 315,848.97

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Solution

The fourth proportional to 519,845.04, 717,434.42 and 315,848.97 is: 435,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,845.04 : 717,434.42 = 315,848.97 : x
  2. Step 2: Convert to fraction form
    519,845.04/717,434.42 = 315,848.97/x
  3. Step 3: Cross multiply
    519,845.04x = 717,434.42 × 315,848.97
  4. Step 4: Simplify right side
    519,845.04x = 226,600,921,020.30
  5. Step 5: Solve for x
    x = 226,600,921,020.30/519,845.04
  6. Step 6: Final answer
    x = 435,900.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.