Home / 1,102,259.31-1,521,205.71-618,856.17

Finding the Fourth Proportional to 1,102,259.31, 1,521,205.71 and 618,856.17

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Solution

The fourth proportional to 1,102,259.31, 1,521,205.71 and 618,856.17 is: 854,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,259.31 : 1,521,205.71 = 618,856.17 : x
  2. Step 2: Convert to fraction form
    1,102,259.31/1,521,205.71 = 618,856.17/x
  3. Step 3: Cross multiply
    1,102,259.31x = 1,521,205.71 × 618,856.17
  4. Step 4: Simplify right side
    1,102,259.31x = 941,407,539,472.73
  5. Step 5: Solve for x
    x = 941,407,539,472.73/1,102,259.31
  6. Step 6: Final answer
    x = 854,070.84

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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.