Home / 666,315.68-999,473.52-193,001.20

Finding the Fourth Proportional to 666,315.68, 999,473.52 and 193,001.20

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Solution

The fourth proportional to 666,315.68, 999,473.52 and 193,001.20 is: 289,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,315.68 : 999,473.52 = 193,001.20 : x
  2. Step 2: Convert to fraction form
    666,315.68/999,473.52 = 193,001.20/x
  3. Step 3: Cross multiply
    666,315.68x = 999,473.52 × 193,001.20
  4. Step 4: Simplify right side
    666,315.68x = 192,899,588,728.22
  5. Step 5: Solve for x
    x = 192,899,588,728.22/666,315.68
  6. Step 6: Final answer
    x = 289,501.80

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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.