Home / 745,973.55-1,118,960.33-663,304.95

Finding the Fourth Proportional to 745,973.55, 1,118,960.33 and 663,304.95

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Solution

The fourth proportional to 745,973.55, 1,118,960.33 and 663,304.95 is: 994,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,973.55 : 1,118,960.33 = 663,304.95 : x
  2. Step 2: Convert to fraction form
    745,973.55/1,118,960.33 = 663,304.95/x
  3. Step 3: Cross multiply
    745,973.55x = 1,118,960.33 × 663,304.95
  4. Step 4: Simplify right side
    745,973.55x = 742,211,922,426.11
  5. Step 5: Solve for x
    x = 742,211,922,426.11/745,973.55
  6. Step 6: Final answer
    x = 994,957.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.