Home / 939,852.68-1,407,882.89-433,710.54

Finding the Fourth Proportional to 939,852.68, 1,407,882.89 and 433,710.54

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Solution

The fourth proportional to 939,852.68, 1,407,882.89 and 433,710.54 is: 649,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,852.68 : 1,407,882.89 = 433,710.54 : x
  2. Step 2: Convert to fraction form
    939,852.68/1,407,882.89 = 433,710.54/x
  3. Step 3: Cross multiply
    939,852.68x = 1,407,882.89 × 433,710.54
  4. Step 4: Simplify right side
    939,852.68x = 610,613,646,310.11
  5. Step 5: Solve for x
    x = 610,613,646,310.11/939,852.68
  6. Step 6: Final answer
    x = 649,690.81

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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.