Home / 736,763.49-1,105,145.51-331,482.33

Finding the Fourth Proportional to 736,763.49, 1,105,145.51 and 331,482.33

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Solution

The fourth proportional to 736,763.49, 1,105,145.51 and 331,482.33 is: 497,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,763.49 : 1,105,145.51 = 331,482.33 : x
  2. Step 2: Convert to fraction form
    736,763.49/1,105,145.51 = 331,482.33/x
  3. Step 3: Cross multiply
    736,763.49x = 1,105,145.51 × 331,482.33
  4. Step 4: Simplify right side
    736,763.49x = 366,336,206,986.43
  5. Step 5: Solve for x
    x = 366,336,206,986.43/736,763.49
  6. Step 6: Final answer
    x = 497,223.62

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Double scale
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Similar ratio
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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.