Home / 1,398,831.32-2,098,246.85-387,953.25

Finding the Fourth Proportional to 1,398,831.32, 2,098,246.85 and 387,953.25

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Solution

The fourth proportional to 1,398,831.32, 2,098,246.85 and 387,953.25 is: 581,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,831.32 : 2,098,246.85 = 387,953.25 : x
  2. Step 2: Convert to fraction form
    1,398,831.32/2,098,246.85 = 387,953.25/x
  3. Step 3: Cross multiply
    1,398,831.32x = 2,098,246.85 × 387,953.25
  4. Step 4: Simplify right side
    1,398,831.32x = 814,021,685,729.65
  5. Step 5: Solve for x
    x = 814,021,685,729.65/1,398,831.32
  6. Step 6: Final answer
    x = 581,929.84

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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.