Home / 831,894.07-1,148,066.31-469,185.59

Finding the Fourth Proportional to 831,894.07, 1,148,066.31 and 469,185.59

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Solution

The fourth proportional to 831,894.07, 1,148,066.31 and 469,185.59 is: 647,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,894.07 : 1,148,066.31 = 469,185.59 : x
  2. Step 2: Convert to fraction form
    831,894.07/1,148,066.31 = 469,185.59/x
  3. Step 3: Cross multiply
    831,894.07x = 1,148,066.31 × 469,185.59
  4. Step 4: Simplify right side
    831,894.07x = 538,656,169,016.47
  5. Step 5: Solve for x
    x = 538,656,169,016.47/831,894.07
  6. Step 6: Final answer
    x = 647,505.72

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Double scale
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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.