Home / 813,575.09-1,122,658.18-450,968.11

Finding the Fourth Proportional to 813,575.09, 1,122,658.18 and 450,968.11

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Solution

The fourth proportional to 813,575.09, 1,122,658.18 and 450,968.11 is: 622,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,575.09 : 1,122,658.18 = 450,968.11 : x
  2. Step 2: Convert to fraction form
    813,575.09/1,122,658.18 = 450,968.11/x
  3. Step 3: Cross multiply
    813,575.09x = 1,122,658.18 × 450,968.11
  4. Step 4: Simplify right side
    813,575.09x = 506,283,033,676.57
  5. Step 5: Solve for x
    x = 506,283,033,676.57/813,575.09
  6. Step 6: Final answer
    x = 622,294.17

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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.