Home / 908,679.28-1,253,985.98-500,795.84

Finding the Fourth Proportional to 908,679.28, 1,253,985.98 and 500,795.84

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Solution

The fourth proportional to 908,679.28, 1,253,985.98 and 500,795.84 is: 691,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,679.28 : 1,253,985.98 = 500,795.84 : x
  2. Step 2: Convert to fraction form
    908,679.28/1,253,985.98 = 500,795.84/x
  3. Step 3: Cross multiply
    908,679.28x = 1,253,985.98 × 500,795.84
  4. Step 4: Simplify right side
    908,679.28x = 627,990,962,202.32
  5. Step 5: Solve for x
    x = 627,990,962,202.32/908,679.28
  6. Step 6: Final answer
    x = 691,102.98

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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.