Home / 979,385.24-1,351,554.23-543,803.39

Finding the Fourth Proportional to 979,385.24, 1,351,554.23 and 543,803.39

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Solution

The fourth proportional to 979,385.24, 1,351,554.23 and 543,803.39 is: 750,450.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,385.24 : 1,351,554.23 = 543,803.39 : x
  2. Step 2: Convert to fraction form
    979,385.24/1,351,554.23 = 543,803.39/x
  3. Step 3: Cross multiply
    979,385.24x = 1,351,554.23 × 543,803.39
  4. Step 4: Simplify right side
    979,385.24x = 734,979,772,042.84
  5. Step 5: Solve for x
    x = 734,979,772,042.84/979,385.24
  6. Step 6: Final answer
    x = 750,450.12

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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.