Home / 921,571.68-1,382,150.16-330,595.68

Finding the Fourth Proportional to 921,571.68, 1,382,150.16 and 330,595.68

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Solution

The fourth proportional to 921,571.68, 1,382,150.16 and 330,595.68 is: 495,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,571.68 : 1,382,150.16 = 330,595.68 : x
  2. Step 2: Convert to fraction form
    921,571.68/1,382,150.16 = 330,595.68/x
  3. Step 3: Cross multiply
    921,571.68x = 1,382,150.16 × 330,595.68
  4. Step 4: Simplify right side
    921,571.68x = 456,932,872,007.31
  5. Step 5: Solve for x
    x = 456,932,872,007.31/921,571.68
  6. Step 6: Final answer
    x = 495,819.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.