Home / 324,541.20-486,581.40-124,784.40

Finding the Fourth Proportional to 324,541.20, 486,581.40 and 124,784.40

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Solution

The fourth proportional to 324,541.20, 486,581.40 and 124,784.40 is: 187,088.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,541.20 : 486,581.40 = 124,784.40 : x
  2. Step 2: Convert to fraction form
    324,541.20/486,581.40 = 124,784.40/x
  3. Step 3: Cross multiply
    324,541.20x = 486,581.40 × 124,784.40
  4. Step 4: Simplify right side
    324,541.20x = 60,717,768,050.16
  5. Step 5: Solve for x
    x = 60,717,768,050.16/324,541.20
  6. Step 6: Final answer
    x = 187,088.01

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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.