Home / 1,074,257.60-1,609,543.20-512,081.60

Finding the Fourth Proportional to 1,074,257.60, 1,609,543.20 and 512,081.60

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Solution

The fourth proportional to 1,074,257.60, 1,609,543.20 and 512,081.60 is: 767,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,257.60 : 1,609,543.20 = 512,081.60 : x
  2. Step 2: Convert to fraction form
    1,074,257.60/1,609,543.20 = 512,081.60/x
  3. Step 3: Cross multiply
    1,074,257.60x = 1,609,543.20 × 512,081.60
  4. Step 4: Simplify right side
    1,074,257.60x = 824,217,457,125.12
  5. Step 5: Solve for x
    x = 824,217,457,125.12/1,074,257.60
  6. Step 6: Final answer
    x = 767,243.78

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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.