Home / 1,517,701.79-2,094,547.86-864,355.43

Finding the Fourth Proportional to 1,517,701.79, 2,094,547.86 and 864,355.43

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Solution

The fourth proportional to 1,517,701.79, 2,094,547.86 and 864,355.43 is: 1,192,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,701.79 : 2,094,547.86 = 864,355.43 : x
  2. Step 2: Convert to fraction form
    1,517,701.79/2,094,547.86 = 864,355.43/x
  3. Step 3: Cross multiply
    1,517,701.79x = 2,094,547.86 × 864,355.43
  4. Step 4: Simplify right side
    1,517,701.79x = 1,810,433,821,422.25
  5. Step 5: Solve for x
    x = 1,810,433,821,422.25/1,517,701.79
  6. Step 6: Final answer
    x = 1,192,878.49

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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.