Home / 693,127.26-1,039,428.45-272,173.50

Finding the Fourth Proportional to 693,127.26, 1,039,428.45 and 272,173.50

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Solution

The fourth proportional to 693,127.26, 1,039,428.45 and 272,173.50 is: 408,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,127.26 : 1,039,428.45 = 272,173.50 : x
  2. Step 2: Convert to fraction form
    693,127.26/1,039,428.45 = 272,173.50/x
  3. Step 3: Cross multiply
    693,127.26x = 1,039,428.45 × 272,173.50
  4. Step 4: Simplify right side
    693,127.26x = 282,904,879,236.08
  5. Step 5: Solve for x
    x = 282,904,879,236.08/693,127.26
  6. Step 6: Final answer
    x = 408,157.20

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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.