Home / 1,173,159.95-1,618,960.71-636,615.95

Finding the Fourth Proportional to 1,173,159.95, 1,618,960.71 and 636,615.95

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Solution

The fourth proportional to 1,173,159.95, 1,618,960.71 and 636,615.95 is: 878,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,159.95 : 1,618,960.71 = 636,615.95 : x
  2. Step 2: Convert to fraction form
    1,173,159.95/1,618,960.71 = 636,615.95/x
  3. Step 3: Cross multiply
    1,173,159.95x = 1,618,960.71 × 636,615.95
  4. Step 4: Simplify right side
    1,173,159.95x = 1,030,656,202,314.52
  5. Step 5: Solve for x
    x = 1,030,656,202,314.52/1,173,159.95
  6. Step 6: Final answer
    x = 878,530.00

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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.