Home / 931,707.45-1,285,726.50-523,826.55

Finding the Fourth Proportional to 931,707.45, 1,285,726.50 and 523,826.55

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Solution

The fourth proportional to 931,707.45, 1,285,726.50 and 523,826.55 is: 722,863.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,707.45 : 1,285,726.50 = 523,826.55 : x
  2. Step 2: Convert to fraction form
    931,707.45/1,285,726.50 = 523,826.55/x
  3. Step 3: Cross multiply
    931,707.45x = 1,285,726.50 × 523,826.55
  4. Step 4: Simplify right side
    931,707.45x = 673,497,676,738.58
  5. Step 5: Solve for x
    x = 673,497,676,738.58/931,707.45
  6. Step 6: Final answer
    x = 722,863.90

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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.