Home / 838,817.33-1,157,581.13-456,843.83

Finding the Fourth Proportional to 838,817.33, 1,157,581.13 and 456,843.83

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Solution

The fourth proportional to 838,817.33, 1,157,581.13 and 456,843.83 is: 630,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,817.33 : 1,157,581.13 = 456,843.83 : x
  2. Step 2: Convert to fraction form
    838,817.33/1,157,581.13 = 456,843.83/x
  3. Step 3: Cross multiply
    838,817.33x = 1,157,581.13 × 456,843.83
  4. Step 4: Simplify right side
    838,817.33x = 528,833,788,892.80
  5. Step 5: Solve for x
    x = 528,833,788,892.80/838,817.33
  6. Step 6: Final answer
    x = 630,451.68

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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.