Home / 1,173,254.40-1,619,089.20-636,710.40

Finding the Fourth Proportional to 1,173,254.40, 1,619,089.20 and 636,710.40

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Solution

The fourth proportional to 1,173,254.40, 1,619,089.20 and 636,710.40 is: 878,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,254.40 : 1,619,089.20 = 636,710.40 : x
  2. Step 2: Convert to fraction form
    1,173,254.40/1,619,089.20 = 636,710.40/x
  3. Step 3: Cross multiply
    1,173,254.40x = 1,619,089.20 × 636,710.40
  4. Step 4: Simplify right side
    1,173,254.40x = 1,030,890,932,167.68
  5. Step 5: Solve for x
    x = 1,030,890,932,167.68/1,173,254.40
  6. Step 6: Final answer
    x = 878,659.34

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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.