Home / 957,531.24-1,321,392.78-527,818.55

Finding the Fourth Proportional to 957,531.24, 1,321,392.78 and 527,818.55

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Solution

The fourth proportional to 957,531.24, 1,321,392.78 and 527,818.55 is: 728,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,531.24 : 1,321,392.78 = 527,818.55 : x
  2. Step 2: Convert to fraction form
    957,531.24/1,321,392.78 = 527,818.55/x
  3. Step 3: Cross multiply
    957,531.24x = 1,321,392.78 × 527,818.55
  4. Step 4: Simplify right side
    957,531.24x = 697,455,614,513.11
  5. Step 5: Solve for x
    x = 697,455,614,513.11/957,531.24
  6. Step 6: Final answer
    x = 728,389.41

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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.