Home / 939,539.52-1,409,358.42-265,670.10

Finding the Fourth Proportional to 939,539.52, 1,409,358.42 and 265,670.10

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Solution

The fourth proportional to 939,539.52, 1,409,358.42 and 265,670.10 is: 398,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,539.52 : 1,409,358.42 = 265,670.10 : x
  2. Step 2: Convert to fraction form
    939,539.52/1,409,358.42 = 265,670.10/x
  3. Step 3: Cross multiply
    939,539.52x = 1,409,358.42 × 265,670.10
  4. Step 4: Simplify right side
    939,539.52x = 374,424,392,377.24
  5. Step 5: Solve for x
    x = 374,424,392,377.24/939,539.52
  6. Step 6: Final answer
    x = 398,519.05

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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.