Home / 607,942.20-911,928.90-288,019.14

Finding the Fourth Proportional to 607,942.20, 911,928.90 and 288,019.14

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Solution

The fourth proportional to 607,942.20, 911,928.90 and 288,019.14 is: 432,036.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,942.20 : 911,928.90 = 288,019.14 : x
  2. Step 2: Convert to fraction form
    607,942.20/911,928.90 = 288,019.14/x
  3. Step 3: Cross multiply
    607,942.20x = 911,928.90 × 288,019.14
  4. Step 4: Simplify right side
    607,942.20x = 262,652,977,519.15
  5. Step 5: Solve for x
    x = 262,652,977,519.15/607,942.20
  6. Step 6: Final answer
    x = 432,036.10

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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.