Home / 1,085,799.18-1,628,180.28-636,656.82

Finding the Fourth Proportional to 1,085,799.18, 1,628,180.28 and 636,656.82

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Solution

The fourth proportional to 1,085,799.18, 1,628,180.28 and 636,656.82 is: 954,681.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,799.18 : 1,628,180.28 = 636,656.82 : x
  2. Step 2: Convert to fraction form
    1,085,799.18/1,628,180.28 = 636,656.82/x
  3. Step 3: Cross multiply
    1,085,799.18x = 1,628,180.28 × 636,656.82
  4. Step 4: Simplify right side
    1,085,799.18x = 1,036,592,079,451.51
  5. Step 5: Solve for x
    x = 1,036,592,079,451.51/1,085,799.18
  6. Step 6: Final answer
    x = 954,681.21

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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.