Home / 1,171,091.84-1,615,214.88-1,008,025.76

Finding the Fourth Proportional to 1,171,091.84, 1,615,214.88 and 1,008,025.76

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Solution

The fourth proportional to 1,171,091.84, 1,615,214.88 and 1,008,025.76 is: 1,390,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,091.84 : 1,615,214.88 = 1,008,025.76 : x
  2. Step 2: Convert to fraction form
    1,171,091.84/1,615,214.88 = 1,008,025.76/x
  3. Step 3: Cross multiply
    1,171,091.84x = 1,615,214.88 × 1,008,025.76
  4. Step 4: Simplify right side
    1,171,091.84x = 1,628,178,206,975.31
  5. Step 5: Solve for x
    x = 1,628,178,206,975.31/1,171,091.84
  6. Step 6: Final answer
    x = 1,390,307.87

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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.