Home / 1,289,351.39-1,932,824.64-435,829.18

Finding the Fourth Proportional to 1,289,351.39, 1,932,824.64 and 435,829.18

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Solution

The fourth proportional to 1,289,351.39, 1,932,824.64 and 435,829.18 is: 653,337.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,351.39 : 1,932,824.64 = 435,829.18 : x
  2. Step 2: Convert to fraction form
    1,289,351.39/1,932,824.64 = 435,829.18/x
  3. Step 3: Cross multiply
    1,289,351.39x = 1,932,824.64 × 435,829.18
  4. Step 4: Simplify right side
    1,289,351.39x = 842,381,377,935.00
  5. Step 5: Solve for x
    x = 842,381,377,935.00/1,289,351.39
  6. Step 6: Final answer
    x = 653,337.32

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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.