Home / 939,336.20-1,407,849.60-433,194.56

Finding the Fourth Proportional to 939,336.20, 1,407,849.60 and 433,194.56

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Solution

The fourth proportional to 939,336.20, 1,407,849.60 and 433,194.56 is: 649,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,336.20 : 1,407,849.60 = 433,194.56 : x
  2. Step 2: Convert to fraction form
    939,336.20/1,407,849.60 = 433,194.56/x
  3. Step 3: Cross multiply
    939,336.20x = 1,407,849.60 × 433,194.56
  4. Step 4: Simplify right side
    939,336.20x = 609,872,788,018.18
  5. Step 5: Solve for x
    x = 609,872,788,018.18/939,336.20
  6. Step 6: Final answer
    x = 649,259.33

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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.