Home / 838,808.33-1,157,568.68-456,834.80

Finding the Fourth Proportional to 838,808.33, 1,157,568.68 and 456,834.80

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Solution

The fourth proportional to 838,808.33, 1,157,568.68 and 456,834.80 is: 630,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,808.33 : 1,157,568.68 = 456,834.80 : x
  2. Step 2: Convert to fraction form
    838,808.33/1,157,568.68 = 456,834.80/x
  3. Step 3: Cross multiply
    838,808.33x = 1,157,568.68 × 456,834.80
  4. Step 4: Simplify right side
    838,808.33x = 528,817,660,450.07
  5. Step 5: Solve for x
    x = 528,817,660,450.07/838,808.33
  6. Step 6: Final answer
    x = 630,439.21

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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.