Home / 459,076.80-688,615.20-246,500.40

Finding the Fourth Proportional to 459,076.80, 688,615.20 and 246,500.40

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Solution

The fourth proportional to 459,076.80, 688,615.20 and 246,500.40 is: 369,750.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,076.80 : 688,615.20 = 246,500.40 : x
  2. Step 2: Convert to fraction form
    459,076.80/688,615.20 = 246,500.40/x
  3. Step 3: Cross multiply
    459,076.80x = 688,615.20 × 246,500.40
  4. Step 4: Simplify right side
    459,076.80x = 169,743,922,246.08
  5. Step 5: Solve for x
    x = 169,743,922,246.08/459,076.80
  6. Step 6: Final answer
    x = 369,750.60

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Similar ratio
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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.