Home / 262,634.10-391,452.81-247,685.94

Finding the Fourth Proportional to 262,634.10, 391,452.81 and 247,685.94

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Solution

The fourth proportional to 262,634.10, 391,452.81 and 247,685.94 is: 369,172.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,634.10 : 391,452.81 = 247,685.94 : x
  2. Step 2: Convert to fraction form
    262,634.10/391,452.81 = 247,685.94/x
  3. Step 3: Cross multiply
    262,634.10x = 391,452.81 × 247,685.94
  4. Step 4: Simplify right side
    262,634.10x = 96,957,357,210.49
  5. Step 5: Solve for x
    x = 96,957,357,210.49/262,634.10
  6. Step 6: Final answer
    x = 369,172.77

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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.