Home / 622,784.79-858,547.22-443,625.75

Finding the Fourth Proportional to 622,784.79, 858,547.22 and 443,625.75

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Solution

The fourth proportional to 622,784.79, 858,547.22 and 443,625.75 is: 611,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,784.79 : 858,547.22 = 443,625.75 : x
  2. Step 2: Convert to fraction form
    622,784.79/858,547.22 = 443,625.75/x
  3. Step 3: Cross multiply
    622,784.79x = 858,547.22 × 443,625.75
  4. Step 4: Simplify right side
    622,784.79x = 380,873,652,164.79
  5. Step 5: Solve for x
    x = 380,873,652,164.79/622,784.79
  6. Step 6: Final answer
    x = 611,565.44

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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.