Home / 269,685.55-402,317.93-262,355.17

Finding the Fourth Proportional to 269,685.55, 402,317.93 and 262,355.17

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Solution

The fourth proportional to 269,685.55, 402,317.93 and 262,355.17 is: 391,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,685.55 : 402,317.93 = 262,355.17 : x
  2. Step 2: Convert to fraction form
    269,685.55/402,317.93 = 262,355.17/x
  3. Step 3: Cross multiply
    269,685.55x = 402,317.93 × 262,355.17
  4. Step 4: Simplify right side
    269,685.55x = 105,550,187,884.74
  5. Step 5: Solve for x
    x = 105,550,187,884.74/269,685.55
  6. Step 6: Final answer
    x = 391,382.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.