Home / 913,329.56-1,370,134.47-662,503.95

Finding the Fourth Proportional to 913,329.56, 1,370,134.47 and 662,503.95

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Solution

The fourth proportional to 913,329.56, 1,370,134.47 and 662,503.95 is: 993,857.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,329.56 : 1,370,134.47 = 662,503.95 : x
  2. Step 2: Convert to fraction form
    913,329.56/1,370,134.47 = 662,503.95/x
  3. Step 3: Cross multiply
    913,329.56x = 1,370,134.47 × 662,503.95
  4. Step 4: Simplify right side
    913,329.56x = 907,719,498,406.16
  5. Step 5: Solve for x
    x = 907,719,498,406.16/913,329.56
  6. Step 6: Final answer
    x = 993,857.57

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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.