Home / 726,823.06-1,090,148.72-194,385.35

Finding the Fourth Proportional to 726,823.06, 1,090,148.72 and 194,385.35

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Solution

The fourth proportional to 726,823.06, 1,090,148.72 and 194,385.35 is: 291,555.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,823.06 : 1,090,148.72 = 194,385.35 : x
  2. Step 2: Convert to fraction form
    726,823.06/1,090,148.72 = 194,385.35/x
  3. Step 3: Cross multiply
    726,823.06x = 1,090,148.72 × 194,385.35
  4. Step 4: Simplify right side
    726,823.06x = 211,908,940,489.25
  5. Step 5: Solve for x
    x = 211,908,940,489.25/726,823.06
  6. Step 6: Final answer
    x = 291,555.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.