Home / 910,616.33-1,256,617.50-502,709.42

Finding the Fourth Proportional to 910,616.33, 1,256,617.50 and 502,709.42

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Solution

The fourth proportional to 910,616.33, 1,256,617.50 and 502,709.42 is: 693,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,616.33 : 1,256,617.50 = 502,709.42 : x
  2. Step 2: Convert to fraction form
    910,616.33/1,256,617.50 = 502,709.42/x
  3. Step 3: Cross multiply
    910,616.33x = 1,256,617.50 × 502,709.42
  4. Step 4: Simplify right side
    910,616.33x = 631,713,455,843.23
  5. Step 5: Solve for x
    x = 631,713,455,843.23/910,616.33
  6. Step 6: Final answer
    x = 693,720.76

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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.