Home / 979,384.11-1,351,552.68-543,802.27

Finding the Fourth Proportional to 979,384.11, 1,351,552.68 and 543,802.27

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Solution

The fourth proportional to 979,384.11, 1,351,552.68 and 543,802.27 is: 750,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,384.11 : 1,351,552.68 = 543,802.27 : x
  2. Step 2: Convert to fraction form
    979,384.11/1,351,552.68 = 543,802.27/x
  3. Step 3: Cross multiply
    979,384.11x = 1,351,552.68 × 543,802.27
  4. Step 4: Simplify right side
    979,384.11x = 734,977,415,408.58
  5. Step 5: Solve for x
    x = 734,977,415,408.58/979,384.11
  6. Step 6: Final answer
    x = 750,448.58

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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.