Home / 788,496.45-1,088,125.50-425,920.29

Finding the Fourth Proportional to 788,496.45, 1,088,125.50 and 425,920.29

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Solution

The fourth proportional to 788,496.45, 1,088,125.50 and 425,920.29 is: 587,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,496.45 : 1,088,125.50 = 425,920.29 : x
  2. Step 2: Convert to fraction form
    788,496.45/1,088,125.50 = 425,920.29/x
  3. Step 3: Cross multiply
    788,496.45x = 1,088,125.50 × 425,920.29
  4. Step 4: Simplify right side
    788,496.45x = 463,454,728,516.40
  5. Step 5: Solve for x
    x = 463,454,728,516.40/788,496.45
  6. Step 6: Final answer
    x = 587,770.22

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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.