Home / 459,741.40-689,612.06-127,317.40

Finding the Fourth Proportional to 459,741.40, 689,612.06 and 127,317.40

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Solution

The fourth proportional to 459,741.40, 689,612.06 and 127,317.40 is: 190,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,741.40 : 689,612.06 = 127,317.40 : x
  2. Step 2: Convert to fraction form
    459,741.40/689,612.06 = 127,317.40/x
  3. Step 3: Cross multiply
    459,741.40x = 689,612.06 × 127,317.40
  4. Step 4: Simplify right side
    459,741.40x = 87,799,614,487.84
  5. Step 5: Solve for x
    x = 87,799,614,487.84/459,741.40
  6. Step 6: Final answer
    x = 190,976.09

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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.