Home / 947,372.46-1,307,374.32-511,789.98

Finding the Fourth Proportional to 947,372.46, 1,307,374.32 and 511,789.98

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Solution

The fourth proportional to 947,372.46, 1,307,374.32 and 511,789.98 is: 706,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,372.46 : 1,307,374.32 = 511,789.98 : x
  2. Step 2: Convert to fraction form
    947,372.46/1,307,374.32 = 511,789.98/x
  3. Step 3: Cross multiply
    947,372.46x = 1,307,374.32 × 511,789.98
  4. Step 4: Simplify right side
    947,372.46x = 669,101,077,085.31
  5. Step 5: Solve for x
    x = 669,101,077,085.31/947,372.46
  6. Step 6: Final answer
    x = 706,270.35

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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.