Home / 805,881.80-1,208,406.54-237,188.90

Finding the Fourth Proportional to 805,881.80, 1,208,406.54 and 237,188.90

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Solution

The fourth proportional to 805,881.80, 1,208,406.54 and 237,188.90 is: 355,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,881.80 : 1,208,406.54 = 237,188.90 : x
  2. Step 2: Convert to fraction form
    805,881.80/1,208,406.54 = 237,188.90/x
  3. Step 3: Cross multiply
    805,881.80x = 1,208,406.54 × 237,188.90
  4. Step 4: Simplify right side
    805,881.80x = 286,620,617,975.41
  5. Step 5: Solve for x
    x = 286,620,617,975.41/805,881.80
  6. Step 6: Final answer
    x = 355,660.86

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1.5x scale

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.