Home / 807,156.30-1,208,401.65-492,228.30

Finding the Fourth Proportional to 807,156.30, 1,208,401.65 and 492,228.30

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Solution

The fourth proportional to 807,156.30, 1,208,401.65 and 492,228.30 is: 736,919.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,156.30 : 1,208,401.65 = 492,228.30 : x
  2. Step 2: Convert to fraction form
    807,156.30/1,208,401.65 = 492,228.30/x
  3. Step 3: Cross multiply
    807,156.30x = 1,208,401.65 × 492,228.30
  4. Step 4: Simplify right side
    807,156.30x = 594,809,489,896.70
  5. Step 5: Solve for x
    x = 594,809,489,896.70/807,156.30
  6. Step 6: Final answer
    x = 736,919.84

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Double scale
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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.