Home / 836,613.55-1,254,043.09-409,560.49

Finding the Fourth Proportional to 836,613.55, 1,254,043.09 and 409,560.49

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Solution

The fourth proportional to 836,613.55, 1,254,043.09 and 409,560.49 is: 613,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,613.55 : 1,254,043.09 = 409,560.49 : x
  2. Step 2: Convert to fraction form
    836,613.55/1,254,043.09 = 409,560.49/x
  3. Step 3: Cross multiply
    836,613.55x = 1,254,043.09 × 409,560.49
  4. Step 4: Simplify right side
    836,613.55x = 513,606,502,421.51
  5. Step 5: Solve for x
    x = 513,606,502,421.51/836,613.55
  6. Step 6: Final answer
    x = 613,911.29

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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.