Home / 1,731,217.28-2,389,203.52-956,831.45

Finding the Fourth Proportional to 1,731,217.28, 2,389,203.52 and 956,831.45

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Solution

The fourth proportional to 1,731,217.28, 2,389,203.52 and 956,831.45 is: 1,320,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,217.28 : 2,389,203.52 = 956,831.45 : x
  2. Step 2: Convert to fraction form
    1,731,217.28/2,389,203.52 = 956,831.45/x
  3. Step 3: Cross multiply
    1,731,217.28x = 2,389,203.52 × 956,831.45
  4. Step 4: Simplify right side
    1,731,217.28x = 2,286,065,054,048.61
  5. Step 5: Solve for x
    x = 2,286,065,054,048.61/1,731,217.28
  6. Step 6: Final answer
    x = 1,320,495.75

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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.