Home / 947,557.43-1,307,629.76-517,837.50

Finding the Fourth Proportional to 947,557.43, 1,307,629.76 and 517,837.50

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Solution

The fourth proportional to 947,557.43, 1,307,629.76 and 517,837.50 is: 714,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,557.43 : 1,307,629.76 = 517,837.50 : x
  2. Step 2: Convert to fraction form
    947,557.43/1,307,629.76 = 517,837.50/x
  3. Step 3: Cross multiply
    947,557.43x = 1,307,629.76 × 517,837.50
  4. Step 4: Simplify right side
    947,557.43x = 677,139,728,158.42
  5. Step 5: Solve for x
    x = 677,139,728,158.42/947,557.43
  6. Step 6: Final answer
    x = 714,616.03

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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.