Home / 1,117,940.40-1,542,706.92-608,641.68

Finding the Fourth Proportional to 1,117,940.40, 1,542,706.92 and 608,641.68

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Solution

The fourth proportional to 1,117,940.40, 1,542,706.92 and 608,641.68 is: 839,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,940.40 : 1,542,706.92 = 608,641.68 : x
  2. Step 2: Convert to fraction form
    1,117,940.40/1,542,706.92 = 608,641.68/x
  3. Step 3: Cross multiply
    1,117,940.40x = 1,542,706.92 × 608,641.68
  4. Step 4: Simplify right side
    1,117,940.40x = 938,955,731,536.43
  5. Step 5: Solve for x
    x = 938,955,731,536.43/1,117,940.40
  6. Step 6: Final answer
    x = 839,897.84

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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.