Home / 913,875-1,260,972.54-591,540.36

Finding the Fourth Proportional to 913,875, 1,260,972.54 and 591,540.36

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Solution

The fourth proportional to 913,875, 1,260,972.54 and 591,540.36 is: 816,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,875 : 1,260,972.54 = 591,540.36 : x
  2. Step 2: Convert to fraction form
    913,875/1,260,972.54 = 591,540.36/x
  3. Step 3: Cross multiply
    913,875x = 1,260,972.54 × 591,540.36
  4. Step 4: Simplify right side
    913,875x = 745,916,150,261.71
  5. Step 5: Solve for x
    x = 745,916,150,261.71/913,875
  6. Step 6: Final answer
    x = 816,212.45

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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.