Home / 459,801.23-689,705.42-160,280.91

Finding the Fourth Proportional to 459,801.23, 689,705.42 and 160,280.91

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Solution

The fourth proportional to 459,801.23, 689,705.42 and 160,280.91 is: 240,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,801.23 : 689,705.42 = 160,280.91 : x
  2. Step 2: Convert to fraction form
    459,801.23/689,705.42 = 160,280.91/x
  3. Step 3: Cross multiply
    459,801.23x = 689,705.42 × 160,280.91
  4. Step 4: Simplify right side
    459,801.23x = 110,546,611,548.13
  5. Step 5: Solve for x
    x = 110,546,611,548.13/459,801.23
  6. Step 6: Final answer
    x = 240,422.61

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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.