Home / 913,017-1,259,538.98-590,831.12

Finding the Fourth Proportional to 913,017, 1,259,538.98 and 590,831.12

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Solution

The fourth proportional to 913,017, 1,259,538.98 and 590,831.12 is: 815,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,017 : 1,259,538.98 = 590,831.12 : x
  2. Step 2: Convert to fraction form
    913,017/1,259,538.98 = 590,831.12/x
  3. Step 3: Cross multiply
    913,017x = 1,259,538.98 × 590,831.12
  4. Step 4: Simplify right side
    913,017x = 744,174,826,237.06
  5. Step 5: Solve for x
    x = 744,174,826,237.06/913,017
  6. Step 6: Final answer
    x = 815,072.26

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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.