Home / 947,167.17-1,307,116.35-565,415.52

Finding the Fourth Proportional to 947,167.17, 1,307,116.35 and 565,415.52

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Solution

The fourth proportional to 947,167.17, 1,307,116.35 and 565,415.52 is: 780,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,167.17 : 1,307,116.35 = 565,415.52 : x
  2. Step 2: Convert to fraction form
    947,167.17/1,307,116.35 = 565,415.52/x
  3. Step 3: Cross multiply
    947,167.17x = 1,307,116.35 × 565,415.52
  4. Step 4: Simplify right side
    947,167.17x = 739,063,870,735.75
  5. Step 5: Solve for x
    x = 739,063,870,735.75/947,167.17
  6. Step 6: Final answer
    x = 780,288.73

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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.