Home / 1,723,889.59-2,378,967.54-999,157.69

Finding the Fourth Proportional to 1,723,889.59, 2,378,967.54 and 999,157.69

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Solution

The fourth proportional to 1,723,889.59, 2,378,967.54 and 999,157.69 is: 1,378,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,889.59 : 2,378,967.54 = 999,157.69 : x
  2. Step 2: Convert to fraction form
    1,723,889.59/2,378,967.54 = 999,157.69/x
  3. Step 3: Cross multiply
    1,723,889.59x = 2,378,967.54 × 999,157.69
  4. Step 4: Simplify right side
    1,723,889.59x = 2,376,963,711,851.38
  5. Step 5: Solve for x
    x = 2,376,963,711,851.38/1,723,889.59
  6. Step 6: Final answer
    x = 1,378,837.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.