Home / 859,340.57-1,185,923.63-587,977.61

Finding the Fourth Proportional to 859,340.57, 1,185,923.63 and 587,977.61

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Solution

The fourth proportional to 859,340.57, 1,185,923.63 and 587,977.61 is: 811,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,340.57 : 1,185,923.63 = 587,977.61 : x
  2. Step 2: Convert to fraction form
    859,340.57/1,185,923.63 = 587,977.61/x
  3. Step 3: Cross multiply
    859,340.57x = 1,185,923.63 × 587,977.61
  4. Step 4: Simplify right side
    859,340.57x = 697,296,537,150.25
  5. Step 5: Solve for x
    x = 697,296,537,150.25/859,340.57
  6. Step 6: Final answer
    x = 811,432.12

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1.5x scale

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.