Home / 885,366.30-1,328,740.65-412,110.30

Finding the Fourth Proportional to 885,366.30, 1,328,740.65 and 412,110.30

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Solution

The fourth proportional to 885,366.30, 1,328,740.65 and 412,110.30 is: 618,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,366.30 : 1,328,740.65 = 412,110.30 : x
  2. Step 2: Convert to fraction form
    885,366.30/1,328,740.65 = 412,110.30/x
  3. Step 3: Cross multiply
    885,366.30x = 1,328,740.65 × 412,110.30
  4. Step 4: Simplify right side
    885,366.30x = 547,587,707,893.70
  5. Step 5: Solve for x
    x = 547,587,707,893.70/885,366.30
  6. Step 6: Final answer
    x = 618,487.18

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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.