Home / 939,715.53-1,409,573.30-229,735.14

Finding the Fourth Proportional to 939,715.53, 1,409,573.30 and 229,735.14

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Solution

The fourth proportional to 939,715.53, 1,409,573.30 and 229,735.14 is: 344,602.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,715.53 : 1,409,573.30 = 229,735.14 : x
  2. Step 2: Convert to fraction form
    939,715.53/1,409,573.30 = 229,735.14/x
  3. Step 3: Cross multiply
    939,715.53x = 1,409,573.30 × 229,735.14
  4. Step 4: Simplify right side
    939,715.53x = 323,828,518,267.09
  5. Step 5: Solve for x
    x = 323,828,518,267.09/939,715.53
  6. Step 6: Final answer
    x = 344,602.71

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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.