Home / 1,102,263.31-1,521,211.23-618,860.17

Finding the Fourth Proportional to 1,102,263.31, 1,521,211.23 and 618,860.17

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Solution

The fourth proportional to 1,102,263.31, 1,521,211.23 and 618,860.17 is: 854,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,263.31 : 1,521,211.23 = 618,860.17 : x
  2. Step 2: Convert to fraction form
    1,102,263.31/1,521,211.23 = 618,860.17/x
  3. Step 3: Cross multiply
    1,102,263.31x = 1,521,211.23 × 618,860.17
  4. Step 4: Simplify right side
    1,102,263.31x = 941,417,040,403.71
  5. Step 5: Solve for x
    x = 941,417,040,403.71/1,102,263.31
  6. Step 6: Final answer
    x = 854,076.36

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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.