Home / 627,030.31-865,566.05-423,356.82

Finding the Fourth Proportional to 627,030.31, 865,566.05 and 423,356.82

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Solution

The fourth proportional to 627,030.31, 865,566.05 and 423,356.82 is: 584,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,030.31 : 865,566.05 = 423,356.82 : x
  2. Step 2: Convert to fraction form
    627,030.31/865,566.05 = 423,356.82/x
  3. Step 3: Cross multiply
    627,030.31x = 865,566.05 × 423,356.82
  4. Step 4: Simplify right side
    627,030.31x = 366,443,289,898.77
  5. Step 5: Solve for x
    x = 366,443,289,898.77/627,030.31
  6. Step 6: Final answer
    x = 584,410.81

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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.