Home / 927,942-1,390,917.96-607,973.04

Finding the Fourth Proportional to 927,942, 1,390,917.96 and 607,973.04

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Solution

The fourth proportional to 927,942, 1,390,917.96 and 607,973.04 is: 911,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,942 : 1,390,917.96 = 607,973.04 : x
  2. Step 2: Convert to fraction form
    927,942/1,390,917.96 = 607,973.04/x
  3. Step 3: Cross multiply
    927,942x = 1,390,917.96 × 607,973.04
  4. Step 4: Simplify right side
    927,942x = 845,640,620,531.80
  5. Step 5: Solve for x
    x = 845,640,620,531.80/927,942
  6. Step 6: Final answer
    x = 911,307.63

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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.