Home / 919,211.20-1,377,176.55-444,850.90

Finding the Fourth Proportional to 919,211.20, 1,377,176.55 and 444,850.90

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Solution

The fourth proportional to 919,211.20, 1,377,176.55 and 444,850.90 is: 666,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,211.20 : 1,377,176.55 = 444,850.90 : x
  2. Step 2: Convert to fraction form
    919,211.20/1,377,176.55 = 444,850.90/x
  3. Step 3: Cross multiply
    919,211.20x = 1,377,176.55 × 444,850.90
  4. Step 4: Simplify right side
    919,211.20x = 612,638,227,726.40
  5. Step 5: Solve for x
    x = 612,638,227,726.40/919,211.20
  6. Step 6: Final answer
    x = 666,482.55

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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.