Home / 927,660.40-1,280,785.44-712,414.24

Finding the Fourth Proportional to 927,660.40, 1,280,785.44 and 712,414.24

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Solution

The fourth proportional to 927,660.40, 1,280,785.44 and 712,414.24 is: 983,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,660.40 : 1,280,785.44 = 712,414.24 : x
  2. Step 2: Convert to fraction form
    927,660.40/1,280,785.44 = 712,414.24/x
  3. Step 3: Cross multiply
    927,660.40x = 1,280,785.44 × 712,414.24
  4. Step 4: Simplify right side
    927,660.40x = 912,449,785,840.67
  5. Step 5: Solve for x
    x = 912,449,785,840.67/927,660.40
  6. Step 6: Final answer
    x = 983,603.25

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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.