Home / 880,927.98-1,321,419.28-419,207.30

Finding the Fourth Proportional to 880,927.98, 1,321,419.28 and 419,207.30

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Solution

The fourth proportional to 880,927.98, 1,321,419.28 and 419,207.30 is: 628,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,927.98 : 1,321,419.28 = 419,207.30 : x
  2. Step 2: Convert to fraction form
    880,927.98/1,321,419.28 = 419,207.30/x
  3. Step 3: Cross multiply
    880,927.98x = 1,321,419.28 × 419,207.30
  4. Step 4: Simplify right side
    880,927.98x = 553,948,608,536.74
  5. Step 5: Solve for x
    x = 553,948,608,536.74/880,927.98
  6. Step 6: Final answer
    x = 628,823.95

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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.