Home / 301,719.02-452,578.50-77,079.93

Finding the Fourth Proportional to 301,719.02, 452,578.50 and 77,079.93

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Solution

The fourth proportional to 301,719.02, 452,578.50 and 77,079.93 is: 115,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,719.02 : 452,578.50 = 77,079.93 : x
  2. Step 2: Convert to fraction form
    301,719.02/452,578.50 = 77,079.93/x
  3. Step 3: Cross multiply
    301,719.02x = 452,578.50 × 77,079.93
  4. Step 4: Simplify right side
    301,719.02x = 34,884,719,099.51
  5. Step 5: Solve for x
    x = 34,884,719,099.51/301,719.02
  6. Step 6: Final answer
    x = 115,619.89

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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.