Home / 1,173,252.95-1,619,089.07-636,708.95

Finding the Fourth Proportional to 1,173,252.95, 1,619,089.07 and 636,708.95

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Solution

The fourth proportional to 1,173,252.95, 1,619,089.07 and 636,708.95 is: 878,658.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,252.95 : 1,619,089.07 = 636,708.95 : x
  2. Step 2: Convert to fraction form
    1,173,252.95/1,619,089.07 = 636,708.95/x
  3. Step 3: Cross multiply
    1,173,252.95x = 1,619,089.07 × 636,708.95
  4. Step 4: Simplify right side
    1,173,252.95x = 1,030,888,490,437.19
  5. Step 5: Solve for x
    x = 1,030,888,490,437.19/1,173,252.95
  6. Step 6: Final answer
    x = 878,658.34

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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.