Home / 716,938.32-988,822.26-445,167.12

Finding the Fourth Proportional to 716,938.32, 988,822.26 and 445,167.12

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Solution

The fourth proportional to 716,938.32, 988,822.26 and 445,167.12 is: 613,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,938.32 : 988,822.26 = 445,167.12 : x
  2. Step 2: Convert to fraction form
    716,938.32/988,822.26 = 445,167.12/x
  3. Step 3: Cross multiply
    716,938.32x = 988,822.26 × 445,167.12
  4. Step 4: Simplify right side
    716,938.32x = 440,191,157,676.09
  5. Step 5: Solve for x
    x = 440,191,157,676.09/716,938.32
  6. Step 6: Final answer
    x = 613,987.49

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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.