Home / 826,730.60-1,240,211.10-353,412.20

Finding the Fourth Proportional to 826,730.60, 1,240,211.10 and 353,412.20

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Solution

The fourth proportional to 826,730.60, 1,240,211.10 and 353,412.20 is: 530,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,730.60 : 1,240,211.10 = 353,412.20 : x
  2. Step 2: Convert to fraction form
    826,730.60/1,240,211.10 = 353,412.20/x
  3. Step 3: Cross multiply
    826,730.60x = 1,240,211.10 × 353,412.20
  4. Step 4: Simplify right side
    826,730.60x = 438,305,733,315.42
  5. Step 5: Solve for x
    x = 438,305,733,315.42/826,730.60
  6. Step 6: Final answer
    x = 530,167.55

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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.