Home / 1,289,350.39-1,932,823.14-435,828.18

Finding the Fourth Proportional to 1,289,350.39, 1,932,823.14 and 435,828.18

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Solution

The fourth proportional to 1,289,350.39, 1,932,823.14 and 435,828.18 is: 653,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,350.39 : 1,932,823.14 = 435,828.18 : x
  2. Step 2: Convert to fraction form
    1,289,350.39/1,932,823.14 = 435,828.18/x
  3. Step 3: Cross multiply
    1,289,350.39x = 1,932,823.14 × 435,828.18
  4. Step 4: Simplify right side
    1,289,350.39x = 842,378,791,368.09
  5. Step 5: Solve for x
    x = 842,378,791,368.09/1,289,350.39
  6. Step 6: Final answer
    x = 653,335.82

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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.