Home / 385,340.46-578,114.58-160,626.22

Finding the Fourth Proportional to 385,340.46, 578,114.58 and 160,626.22

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Solution

The fourth proportional to 385,340.46, 578,114.58 and 160,626.22 is: 240,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,340.46 : 578,114.58 = 160,626.22 : x
  2. Step 2: Convert to fraction form
    385,340.46/578,114.58 = 160,626.22/x
  3. Step 3: Cross multiply
    385,340.46x = 578,114.58 × 160,626.22
  4. Step 4: Simplify right side
    385,340.46x = 92,860,359,712.29
  5. Step 5: Solve for x
    x = 92,860,359,712.29/385,340.46
  6. Step 6: Final answer
    x = 240,982.64

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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.