Home / 486,634.14-666,677.66-468,440.19

Finding the Fourth Proportional to 486,634.14, 666,677.66 and 468,440.19

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Solution

The fourth proportional to 486,634.14, 666,677.66 and 468,440.19 is: 641,752.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,634.14 : 666,677.66 = 468,440.19 : x
  2. Step 2: Convert to fraction form
    486,634.14/666,677.66 = 468,440.19/x
  3. Step 3: Cross multiply
    486,634.14x = 666,677.66 × 468,440.19
  4. Step 4: Simplify right side
    486,634.14x = 312,298,607,376.95
  5. Step 5: Solve for x
    x = 312,298,607,376.95/486,634.14
  6. Step 6: Final answer
    x = 641,752.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.