Home / 913,914.73-1,261,241.77-506,016.60

Finding the Fourth Proportional to 913,914.73, 1,261,241.77 and 506,016.60

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Solution

The fourth proportional to 913,914.73, 1,261,241.77 and 506,016.60 is: 698,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,914.73 : 1,261,241.77 = 506,016.60 : x
  2. Step 2: Convert to fraction form
    913,914.73/1,261,241.77 = 506,016.60/x
  3. Step 3: Cross multiply
    913,914.73x = 1,261,241.77 × 506,016.60
  4. Step 4: Simplify right side
    913,914.73x = 638,209,267,187.47
  5. Step 5: Solve for x
    x = 638,209,267,187.47/913,914.73
  6. Step 6: Final answer
    x = 698,324.74

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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.