Home / 1,270,830.24-1,906,614.30-512,280.24

Finding the Fourth Proportional to 1,270,830.24, 1,906,614.30 and 512,280.24

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Solution

The fourth proportional to 1,270,830.24, 1,906,614.30 and 512,280.24 is: 768,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,830.24 : 1,906,614.30 = 512,280.24 : x
  2. Step 2: Convert to fraction form
    1,270,830.24/1,906,614.30 = 512,280.24/x
  3. Step 3: Cross multiply
    1,270,830.24x = 1,906,614.30 × 512,280.24
  4. Step 4: Simplify right side
    1,270,830.24x = 976,720,831,191.43
  5. Step 5: Solve for x
    x = 976,720,831,191.43/1,270,830.24
  6. Step 6: Final answer
    x = 768,569.08

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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.