Home / 826,826.22-1,141,032.15-464,328.54

Finding the Fourth Proportional to 826,826.22, 1,141,032.15 and 464,328.54

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Solution

The fourth proportional to 826,826.22, 1,141,032.15 and 464,328.54 is: 640,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,826.22 : 1,141,032.15 = 464,328.54 : x
  2. Step 2: Convert to fraction form
    826,826.22/1,141,032.15 = 464,328.54/x
  3. Step 3: Cross multiply
    826,826.22x = 1,141,032.15 × 464,328.54
  4. Step 4: Simplify right side
    826,826.22x = 529,813,792,302.56
  5. Step 5: Solve for x
    x = 529,813,792,302.56/826,826.22
  6. Step 6: Final answer
    x = 640,780.11

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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.