Home / 1,173,252.31-1,619,088.20-636,708.31

Finding the Fourth Proportional to 1,173,252.31, 1,619,088.20 and 636,708.31

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Solution

The fourth proportional to 1,173,252.31, 1,619,088.20 and 636,708.31 is: 878,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,252.31 : 1,619,088.20 = 636,708.31 : x
  2. Step 2: Convert to fraction form
    1,173,252.31/1,619,088.20 = 636,708.31/x
  3. Step 3: Cross multiply
    1,173,252.31x = 1,619,088.20 × 636,708.31
  4. Step 4: Simplify right side
    1,173,252.31x = 1,030,886,911,562.94
  5. Step 5: Solve for x
    x = 1,030,886,911,562.94/1,173,252.31
  6. Step 6: Final answer
    x = 878,657.47

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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.