Home / 939,468.49-1,409,261.42-265,601.77

Finding the Fourth Proportional to 939,468.49, 1,409,261.42 and 265,601.77

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Solution

The fourth proportional to 939,468.49, 1,409,261.42 and 265,601.77 is: 398,419.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,468.49 : 1,409,261.42 = 265,601.77 : x
  2. Step 2: Convert to fraction form
    939,468.49/1,409,261.42 = 265,601.77/x
  3. Step 3: Cross multiply
    939,468.49x = 1,409,261.42 × 265,601.77
  4. Step 4: Simplify right side
    939,468.49x = 374,302,326,216.71
  5. Step 5: Solve for x
    x = 374,302,326,216.71/939,468.49
  6. Step 6: Final answer
    x = 398,419.24

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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.