Home / 627,825.80-942,257.10-291,384.20

Finding the Fourth Proportional to 627,825.80, 942,257.10 and 291,384.20

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Solution

The fourth proportional to 627,825.80, 942,257.10 and 291,384.20 is: 437,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,825.80 : 942,257.10 = 291,384.20 : x
  2. Step 2: Convert to fraction form
    627,825.80/942,257.10 = 291,384.20/x
  3. Step 3: Cross multiply
    627,825.80x = 942,257.10 × 291,384.20
  4. Step 4: Simplify right side
    627,825.80x = 274,558,831,277.82
  5. Step 5: Solve for x
    x = 274,558,831,277.82/627,825.80
  6. Step 6: Final answer
    x = 437,316.90

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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.