Home / 817,557.30-1,145,761.20-817,557.30

Finding the Fourth Proportional to 817,557.30, 1,145,761.20 and 817,557.30

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Solution

The fourth proportional to 817,557.30, 1,145,761.20 and 817,557.30 is: 1,145,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,557.30 : 1,145,761.20 = 817,557.30 : x
  2. Step 2: Convert to fraction form
    817,557.30/1,145,761.20 = 817,557.30/x
  3. Step 3: Cross multiply
    817,557.30x = 1,145,761.20 × 817,557.30
  4. Step 4: Simplify right side
    817,557.30x = 936,725,433,116.76
  5. Step 5: Solve for x
    x = 936,725,433,116.76/817,557.30
  6. Step 6: Final answer
    x = 1,145,761.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.