Home / 434,570.20-651,822.90-181,785.40

Finding the Fourth Proportional to 434,570.20, 651,822.90 and 181,785.40

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Solution

The fourth proportional to 434,570.20, 651,822.90 and 181,785.40 is: 272,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,570.20 : 651,822.90 = 181,785.40 : x
  2. Step 2: Convert to fraction form
    434,570.20/651,822.90 = 181,785.40/x
  3. Step 3: Cross multiply
    434,570.20x = 651,822.90 × 181,785.40
  4. Step 4: Simplify right side
    434,570.20x = 118,491,886,605.66
  5. Step 5: Solve for x
    x = 118,491,886,605.66/434,570.20
  6. Step 6: Final answer
    x = 272,664.55

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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.