Home / 1,280,406.97-1,921,557.71-606,491.81

Finding the Fourth Proportional to 1,280,406.97, 1,921,557.71 and 606,491.81

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Solution

The fourth proportional to 1,280,406.97, 1,921,557.71 and 606,491.81 is: 910,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,406.97 : 1,921,557.71 = 606,491.81 : x
  2. Step 2: Convert to fraction form
    1,280,406.97/1,921,557.71 = 606,491.81/x
  3. Step 3: Cross multiply
    1,280,406.97x = 1,921,557.71 × 606,491.81
  4. Step 4: Simplify right side
    1,280,406.97x = 1,165,409,005,465.80
  5. Step 5: Solve for x
    x = 1,165,409,005,465.80/1,280,406.97
  6. Step 6: Final answer
    x = 910,186.40

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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.