Home / 662,831.67-914,718.39-376,359.51

Finding the Fourth Proportional to 662,831.67, 914,718.39 and 376,359.51

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Solution

The fourth proportional to 662,831.67, 914,718.39 and 376,359.51 is: 519,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,831.67 : 914,718.39 = 376,359.51 : x
  2. Step 2: Convert to fraction form
    662,831.67/914,718.39 = 376,359.51/x
  3. Step 3: Cross multiply
    662,831.67x = 914,718.39 × 376,359.51
  4. Step 4: Simplify right side
    662,831.67x = 344,262,965,048.39
  5. Step 5: Solve for x
    x = 344,262,965,048.39/662,831.67
  6. Step 6: Final answer
    x = 519,382.19

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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.