Home / 459,747.32-689,398.86-160,220.84

Finding the Fourth Proportional to 459,747.32, 689,398.86 and 160,220.84

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Solution

The fourth proportional to 459,747.32, 689,398.86 and 160,220.84 is: 240,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,747.32 : 689,398.86 = 160,220.84 : x
  2. Step 2: Convert to fraction form
    459,747.32/689,398.86 = 160,220.84/x
  3. Step 3: Cross multiply
    459,747.32x = 689,398.86 × 160,220.84
  4. Step 4: Simplify right side
    459,747.32x = 110,456,064,444.24
  5. Step 5: Solve for x
    x = 110,456,064,444.24/459,747.32
  6. Step 6: Final answer
    x = 240,253.85

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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.