Home / 955,880.63-1,318,960.92-547,907.40

Finding the Fourth Proportional to 955,880.63, 1,318,960.92 and 547,907.40

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Solution

The fourth proportional to 955,880.63, 1,318,960.92 and 547,907.40 is: 756,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,880.63 : 1,318,960.92 = 547,907.40 : x
  2. Step 2: Convert to fraction form
    955,880.63/1,318,960.92 = 547,907.40/x
  3. Step 3: Cross multiply
    955,880.63x = 1,318,960.92 × 547,907.40
  4. Step 4: Simplify right side
    955,880.63x = 722,668,447,972.86
  5. Step 5: Solve for x
    x = 722,668,447,972.86/955,880.63
  6. Step 6: Final answer
    x = 756,023.74

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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.