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Finding the Fourth Proportional to 1,336,479.84, 1,844,426.16 and 732,867.84

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Solution

The fourth proportional to 1,336,479.84, 1,844,426.16 and 732,867.84 is: 1,011,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,479.84 : 1,844,426.16 = 732,867.84 : x
  2. Step 2: Convert to fraction form
    1,336,479.84/1,844,426.16 = 732,867.84/x
  3. Step 3: Cross multiply
    1,336,479.84x = 1,844,426.16 × 732,867.84
  4. Step 4: Simplify right side
    1,336,479.84x = 1,351,720,615,918.69
  5. Step 5: Solve for x
    x = 1,351,720,615,918.69/1,336,479.84
  6. Step 6: Final answer
    x = 1,011,403.67

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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.