Home / 788,660.10-1,088,351.45-426,083.81

Finding the Fourth Proportional to 788,660.10, 1,088,351.45 and 426,083.81

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Solution

The fourth proportional to 788,660.10, 1,088,351.45 and 426,083.81 is: 587,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,660.10 : 1,088,351.45 = 426,083.81 : x
  2. Step 2: Convert to fraction form
    788,660.10/1,088,351.45 = 426,083.81/x
  3. Step 3: Cross multiply
    788,660.10x = 1,088,351.45 × 426,083.81
  4. Step 4: Simplify right side
    788,660.10x = 463,728,924,862.85
  5. Step 5: Solve for x
    x = 463,728,924,862.85/788,660.10
  6. Step 6: Final answer
    x = 587,995.92

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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.