Home / 738,340.93-1,107,511.40-528,388.93

Finding the Fourth Proportional to 738,340.93, 1,107,511.40 and 528,388.93

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Solution

The fourth proportional to 738,340.93, 1,107,511.40 and 528,388.93 is: 792,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,340.93 : 1,107,511.40 = 528,388.93 : x
  2. Step 2: Convert to fraction form
    738,340.93/1,107,511.40 = 528,388.93/x
  3. Step 3: Cross multiply
    738,340.93x = 1,107,511.40 × 528,388.93
  4. Step 4: Simplify right side
    738,340.93x = 585,196,763,608.80
  5. Step 5: Solve for x
    x = 585,196,763,608.80/738,340.93
  6. Step 6: Final answer
    x = 792,583.40

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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.