Home / 1,478,538.80-2,217,808.20-531,940.40

Finding the Fourth Proportional to 1,478,538.80, 2,217,808.20 and 531,940.40

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Solution

The fourth proportional to 1,478,538.80, 2,217,808.20 and 531,940.40 is: 797,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,538.80 : 2,217,808.20 = 531,940.40 : x
  2. Step 2: Convert to fraction form
    1,478,538.80/2,217,808.20 = 531,940.40/x
  3. Step 3: Cross multiply
    1,478,538.80x = 2,217,808.20 × 531,940.40
  4. Step 4: Simplify right side
    1,478,538.80x = 1,179,741,781,031.28
  5. Step 5: Solve for x
    x = 1,179,741,781,031.28/1,478,538.80
  6. Step 6: Final answer
    x = 797,910.60

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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.