Home / 738,861.16-1,019,155.62-512,424.04

Finding the Fourth Proportional to 738,861.16, 1,019,155.62 and 512,424.04

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Solution

The fourth proportional to 738,861.16, 1,019,155.62 and 512,424.04 is: 706,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,861.16 : 1,019,155.62 = 512,424.04 : x
  2. Step 2: Convert to fraction form
    738,861.16/1,019,155.62 = 512,424.04/x
  3. Step 3: Cross multiply
    738,861.16x = 1,019,155.62 × 512,424.04
  4. Step 4: Simplify right side
    738,861.16x = 522,239,840,189.11
  5. Step 5: Solve for x
    x = 522,239,840,189.11/738,861.16
  6. Step 6: Final answer
    x = 706,817.29

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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.