Home / 1,281,647.05-1,922,661.71-471,969.20

Finding the Fourth Proportional to 1,281,647.05, 1,922,661.71 and 471,969.20

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Solution

The fourth proportional to 1,281,647.05, 1,922,661.71 and 471,969.20 is: 708,024.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,647.05 : 1,922,661.71 = 471,969.20 : x
  2. Step 2: Convert to fraction form
    1,281,647.05/1,922,661.71 = 471,969.20/x
  3. Step 3: Cross multiply
    1,281,647.05x = 1,922,661.71 × 471,969.20
  4. Step 4: Simplify right side
    1,281,647.05x = 907,437,097,166.18
  5. Step 5: Solve for x
    x = 907,437,097,166.18/1,281,647.05
  6. Step 6: Final answer
    x = 708,024.18

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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.