Home / 713,391.80-1,070,136.30-227,035.40

Finding the Fourth Proportional to 713,391.80, 1,070,136.30 and 227,035.40

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Solution

The fourth proportional to 713,391.80, 1,070,136.30 and 227,035.40 is: 340,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,391.80 : 1,070,136.30 = 227,035.40 : x
  2. Step 2: Convert to fraction form
    713,391.80/1,070,136.30 = 227,035.40/x
  3. Step 3: Cross multiply
    713,391.80x = 1,070,136.30 × 227,035.40
  4. Step 4: Simplify right side
    713,391.80x = 242,958,822,925.02
  5. Step 5: Solve for x
    x = 242,958,822,925.02/713,391.80
  6. Step 6: Final answer
    x = 340,568.57

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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.