Home / 878,190.82-1,314,795.20-574,938.16

Finding the Fourth Proportional to 878,190.82, 1,314,795.20 and 574,938.16

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Solution

The fourth proportional to 878,190.82, 1,314,795.20 and 574,938.16 is: 860,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,190.82 : 1,314,795.20 = 574,938.16 : x
  2. Step 2: Convert to fraction form
    878,190.82/1,314,795.20 = 574,938.16/x
  3. Step 3: Cross multiply
    878,190.82x = 1,314,795.20 × 574,938.16
  4. Step 4: Simplify right side
    878,190.82x = 755,925,933,064.83
  5. Step 5: Solve for x
    x = 755,925,933,064.83/878,190.82
  6. Step 6: Final answer
    x = 860,776.40

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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.