Home / 979,392.26-1,351,564.13-543,810.55

Finding the Fourth Proportional to 979,392.26, 1,351,564.13 and 543,810.55

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Solution

The fourth proportional to 979,392.26, 1,351,564.13 and 543,810.55 is: 750,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,392.26 : 1,351,564.13 = 543,810.55 : x
  2. Step 2: Convert to fraction form
    979,392.26/1,351,564.13 = 543,810.55/x
  3. Step 3: Cross multiply
    979,392.26x = 1,351,564.13 × 543,810.55
  4. Step 4: Simplify right side
    979,392.26x = 734,994,826,797.61
  5. Step 5: Solve for x
    x = 734,994,826,797.61/979,392.26
  6. Step 6: Final answer
    x = 750,460.12

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1.5x scale

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.