Home / 1,109,147.39-1,663,554.59-350,890.34

Finding the Fourth Proportional to 1,109,147.39, 1,663,554.59 and 350,890.34

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Solution

The fourth proportional to 1,109,147.39, 1,663,554.59 and 350,890.34 is: 526,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,147.39 : 1,663,554.59 = 350,890.34 : x
  2. Step 2: Convert to fraction form
    1,109,147.39/1,663,554.59 = 350,890.34/x
  3. Step 3: Cross multiply
    1,109,147.39x = 1,663,554.59 × 350,890.34
  4. Step 4: Simplify right side
    1,109,147.39x = 583,725,225,621.44
  5. Step 5: Solve for x
    x = 583,725,225,621.44/1,109,147.39
  6. Step 6: Final answer
    x = 526,282.83

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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.