Home / 852,349.98-1,176,271.20-465,186.54

Finding the Fourth Proportional to 852,349.98, 1,176,271.20 and 465,186.54

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Solution

The fourth proportional to 852,349.98, 1,176,271.20 and 465,186.54 is: 641,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,349.98 : 1,176,271.20 = 465,186.54 : x
  2. Step 2: Convert to fraction form
    852,349.98/1,176,271.20 = 465,186.54/x
  3. Step 3: Cross multiply
    852,349.98x = 1,176,271.20 × 465,186.54
  4. Step 4: Simplify right side
    852,349.98x = 547,185,529,629.65
  5. Step 5: Solve for x
    x = 547,185,529,629.65/852,349.98
  6. Step 6: Final answer
    x = 641,972.83

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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.