Home / 932,292.97-1,286,554.95-518,822.75

Finding the Fourth Proportional to 932,292.97, 1,286,554.95 and 518,822.75

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Solution

The fourth proportional to 932,292.97, 1,286,554.95 and 518,822.75 is: 715,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,292.97 : 1,286,554.95 = 518,822.75 : x
  2. Step 2: Convert to fraction form
    932,292.97/1,286,554.95 = 518,822.75/x
  3. Step 3: Cross multiply
    932,292.97x = 1,286,554.95 × 518,822.75
  4. Step 4: Simplify right side
    932,292.97x = 667,493,980,401.50
  5. Step 5: Solve for x
    x = 667,493,980,401.50/932,292.97
  6. Step 6: Final answer
    x = 715,970.20

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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.