Home / 458,864.16-633,275.40-277,620.72

Finding the Fourth Proportional to 458,864.16, 633,275.40 and 277,620.72

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Solution

The fourth proportional to 458,864.16, 633,275.40 and 277,620.72 is: 383,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,864.16 : 633,275.40 = 277,620.72 : x
  2. Step 2: Convert to fraction form
    458,864.16/633,275.40 = 277,620.72/x
  3. Step 3: Cross multiply
    458,864.16x = 633,275.40 × 277,620.72
  4. Step 4: Simplify right side
    458,864.16x = 175,810,372,506.29
  5. Step 5: Solve for x
    x = 175,810,372,506.29/458,864.16
  6. Step 6: Final answer
    x = 383,142.52

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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.