Home / 384,306.22-577,334.13-278,018.02

Finding the Fourth Proportional to 384,306.22, 577,334.13 and 278,018.02

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Solution

The fourth proportional to 384,306.22, 577,334.13 and 278,018.02 is: 417,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,306.22 : 577,334.13 = 278,018.02 : x
  2. Step 2: Convert to fraction form
    384,306.22/577,334.13 = 278,018.02/x
  3. Step 3: Cross multiply
    384,306.22x = 577,334.13 × 278,018.02
  4. Step 4: Simplify right side
    384,306.22x = 160,509,291,701.02
  5. Step 5: Solve for x
    x = 160,509,291,701.02/384,306.22
  6. Step 6: Final answer
    x = 417,659.89

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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.