Home / 943,230.49-1,301,685.33-513,517.93

Finding the Fourth Proportional to 943,230.49, 1,301,685.33 and 513,517.93

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Solution

The fourth proportional to 943,230.49, 1,301,685.33 and 513,517.93 is: 708,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,230.49 : 1,301,685.33 = 513,517.93 : x
  2. Step 2: Convert to fraction form
    943,230.49/1,301,685.33 = 513,517.93/x
  3. Step 3: Cross multiply
    943,230.49x = 1,301,685.33 × 513,517.93
  4. Step 4: Simplify right side
    943,230.49x = 668,438,756,172.97
  5. Step 5: Solve for x
    x = 668,438,756,172.97/943,230.49
  6. Step 6: Final answer
    x = 708,669.58

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1.5x scale

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.