Home / 459,280.66-688,279.47-222,560.50

Finding the Fourth Proportional to 459,280.66, 688,279.47 and 222,560.50

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Solution

The fourth proportional to 459,280.66, 688,279.47 and 222,560.50 is: 333,529.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,280.66 : 688,279.47 = 222,560.50 : x
  2. Step 2: Convert to fraction form
    459,280.66/688,279.47 = 222,560.50/x
  3. Step 3: Cross multiply
    459,280.66x = 688,279.47 × 222,560.50
  4. Step 4: Simplify right side
    459,280.66x = 153,183,822,982.94
  5. Step 5: Solve for x
    x = 153,183,822,982.94/459,280.66
  6. Step 6: Final answer
    x = 333,529.88

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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.