Home / 939,510.74-1,409,253.82-229,544.93

Finding the Fourth Proportional to 939,510.74, 1,409,253.82 and 229,544.93

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Solution

The fourth proportional to 939,510.74, 1,409,253.82 and 229,544.93 is: 344,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,510.74 : 1,409,253.82 = 229,544.93 : x
  2. Step 2: Convert to fraction form
    939,510.74/1,409,253.82 = 229,544.93/x
  3. Step 3: Cross multiply
    939,510.74x = 1,409,253.82 × 229,544.93
  4. Step 4: Simplify right side
    939,510.74x = 323,487,068,316.41
  5. Step 5: Solve for x
    x = 323,487,068,316.41/939,510.74
  6. Step 6: Final answer
    x = 344,314.39

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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.