Home / 913,831.84-1,371,208.56-514,917.28

Finding the Fourth Proportional to 913,831.84, 1,371,208.56 and 514,917.28

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Solution

The fourth proportional to 913,831.84, 1,371,208.56 and 514,917.28 is: 772,635.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,831.84 : 1,371,208.56 = 514,917.28 : x
  2. Step 2: Convert to fraction form
    913,831.84/1,371,208.56 = 514,917.28/x
  3. Step 3: Cross multiply
    913,831.84x = 1,371,208.56 × 514,917.28
  4. Step 4: Simplify right side
    913,831.84x = 706,058,982,027.92
  5. Step 5: Solve for x
    x = 706,058,982,027.92/913,831.84
  6. Step 6: Final answer
    x = 772,635.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.