Home / 407,839.95-562,899.69-260,570.61

Finding the Fourth Proportional to 407,839.95, 562,899.69 and 260,570.61

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Solution

The fourth proportional to 407,839.95, 562,899.69 and 260,570.61 is: 359,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,839.95 : 562,899.69 = 260,570.61 : x
  2. Step 2: Convert to fraction form
    407,839.95/562,899.69 = 260,570.61/x
  3. Step 3: Cross multiply
    407,839.95x = 562,899.69 × 260,570.61
  4. Step 4: Simplify right side
    407,839.95x = 146,675,115,592.11
  5. Step 5: Solve for x
    x = 146,675,115,592.11/407,839.95
  6. Step 6: Final answer
    x = 359,638.91

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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.