Home / 838,819.60-1,157,584.20-456,846.06

Finding the Fourth Proportional to 838,819.60, 1,157,584.20 and 456,846.06

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Solution

The fourth proportional to 838,819.60, 1,157,584.20 and 456,846.06 is: 630,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,819.60 : 1,157,584.20 = 456,846.06 : x
  2. Step 2: Convert to fraction form
    838,819.60/1,157,584.20 = 456,846.06/x
  3. Step 3: Cross multiply
    838,819.60x = 1,157,584.20 × 456,846.06
  4. Step 4: Simplify right side
    838,819.60x = 528,837,780,888.25
  5. Step 5: Solve for x
    x = 528,837,780,888.25/838,819.60
  6. Step 6: Final answer
    x = 630,454.73

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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.