Home / 1,353,037.93-1,865,903.92-809,085.13

Finding the Fourth Proportional to 1,353,037.93, 1,865,903.92 and 809,085.13

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Solution

The fourth proportional to 1,353,037.93, 1,865,903.92 and 809,085.13 is: 1,115,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,037.93 : 1,865,903.92 = 809,085.13 : x
  2. Step 2: Convert to fraction form
    1,353,037.93/1,865,903.92 = 809,085.13/x
  3. Step 3: Cross multiply
    1,353,037.93x = 1,865,903.92 × 809,085.13
  4. Step 4: Simplify right side
    1,353,037.93x = 1,509,675,115,680.71
  5. Step 5: Solve for x
    x = 1,509,675,115,680.71/1,353,037.93
  6. Step 6: Final answer
    x = 1,115,767.03

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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.