Home / 456,664.05-684,996.08-124,240.05

Finding the Fourth Proportional to 456,664.05, 684,996.08 and 124,240.05

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Solution

The fourth proportional to 456,664.05, 684,996.08 and 124,240.05 is: 186,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,664.05 : 684,996.08 = 124,240.05 : x
  2. Step 2: Convert to fraction form
    456,664.05/684,996.08 = 124,240.05/x
  3. Step 3: Cross multiply
    456,664.05x = 684,996.08 × 124,240.05
  4. Step 4: Simplify right side
    456,664.05x = 85,103,946,607.80
  5. Step 5: Solve for x
    x = 85,103,946,607.80/456,664.05
  6. Step 6: Final answer
    x = 186,360.08

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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.