Home / 1,188,102.54-1,639,050.21-704,688.06

Finding the Fourth Proportional to 1,188,102.54, 1,639,050.21 and 704,688.06

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Solution

The fourth proportional to 1,188,102.54, 1,639,050.21 and 704,688.06 is: 972,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,102.54 : 1,639,050.21 = 704,688.06 : x
  2. Step 2: Convert to fraction form
    1,188,102.54/1,639,050.21 = 704,688.06/x
  3. Step 3: Cross multiply
    1,188,102.54x = 1,639,050.21 × 704,688.06
  4. Step 4: Simplify right side
    1,188,102.54x = 1,155,019,112,727.49
  5. Step 5: Solve for x
    x = 1,155,019,112,727.49/1,188,102.54
  6. Step 6: Final answer
    x = 972,154.40

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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.