Home / 484,947.30-669,228.08-281,037.50

Finding the Fourth Proportional to 484,947.30, 669,228.08 and 281,037.50

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Solution

The fourth proportional to 484,947.30, 669,228.08 and 281,037.50 is: 387,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,947.30 : 669,228.08 = 281,037.50 : x
  2. Step 2: Convert to fraction form
    484,947.30/669,228.08 = 281,037.50/x
  3. Step 3: Cross multiply
    484,947.30x = 669,228.08 × 281,037.50
  4. Step 4: Simplify right side
    484,947.30x = 188,078,184,291.28
  5. Step 5: Solve for x
    x = 188,078,184,291.28/484,947.30
  6. Step 6: Final answer
    x = 387,832.21

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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.