Home / 852,828.21-1,176,872.49-513,230.85

Finding the Fourth Proportional to 852,828.21, 1,176,872.49 and 513,230.85

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Solution

The fourth proportional to 852,828.21, 1,176,872.49 and 513,230.85 is: 708,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,828.21 : 1,176,872.49 = 513,230.85 : x
  2. Step 2: Convert to fraction form
    852,828.21/1,176,872.49 = 513,230.85/x
  3. Step 3: Cross multiply
    852,828.21x = 1,176,872.49 × 513,230.85
  4. Step 4: Simplify right side
    852,828.21x = 604,007,268,384.32
  5. Step 5: Solve for x
    x = 604,007,268,384.32/852,828.21
  6. Step 6: Final answer
    x = 708,240.25

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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.