Home / 932,958.89-1,287,880.52-627,212.60

Finding the Fourth Proportional to 932,958.89, 1,287,880.52 and 627,212.60

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Solution

The fourth proportional to 932,958.89, 1,287,880.52 and 627,212.60 is: 865,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,958.89 : 1,287,880.52 = 627,212.60 : x
  2. Step 2: Convert to fraction form
    932,958.89/1,287,880.52 = 627,212.60/x
  3. Step 3: Cross multiply
    932,958.89x = 1,287,880.52 × 627,212.60
  4. Step 4: Simplify right side
    932,958.89x = 807,774,884,692.64
  5. Step 5: Solve for x
    x = 807,774,884,692.64/932,958.89
  6. Step 6: Final answer
    x = 865,820.45

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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.