Home / 738,837.16-1,019,122.50-512,400.04

Finding the Fourth Proportional to 738,837.16, 1,019,122.50 and 512,400.04

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Solution

The fourth proportional to 738,837.16, 1,019,122.50 and 512,400.04 is: 706,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,837.16 : 1,019,122.50 = 512,400.04 : x
  2. Step 2: Convert to fraction form
    738,837.16/1,019,122.50 = 512,400.04/x
  3. Step 3: Cross multiply
    738,837.16x = 1,019,122.50 × 512,400.04
  4. Step 4: Simplify right side
    738,837.16x = 522,198,409,764.90
  5. Step 5: Solve for x
    x = 522,198,409,764.90/738,837.16
  6. Step 6: Final answer
    x = 706,784.17

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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.