Home / 933,894.88-1,288,967.58-607,615.60

Finding the Fourth Proportional to 933,894.88, 1,288,967.58 and 607,615.60

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Solution

The fourth proportional to 933,894.88, 1,288,967.58 and 607,615.60 is: 838,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,894.88 : 1,288,967.58 = 607,615.60 : x
  2. Step 2: Convert to fraction form
    933,894.88/1,288,967.58 = 607,615.60/x
  3. Step 3: Cross multiply
    933,894.88x = 1,288,967.58 × 607,615.60
  4. Step 4: Simplify right side
    933,894.88x = 783,196,809,502.25
  5. Step 5: Solve for x
    x = 783,196,809,502.25/933,894.88
  6. Step 6: Final answer
    x = 838,634.87

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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.