Home / 572,196.54-858,295.20-198,219.54

Finding the Fourth Proportional to 572,196.54, 858,295.20 and 198,219.54

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Solution

The fourth proportional to 572,196.54, 858,295.20 and 198,219.54 is: 297,329.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,196.54 : 858,295.20 = 198,219.54 : x
  2. Step 2: Convert to fraction form
    572,196.54/858,295.20 = 198,219.54/x
  3. Step 3: Cross multiply
    572,196.54x = 858,295.20 × 198,219.54
  4. Step 4: Simplify right side
    572,196.54x = 170,130,879,728.21
  5. Step 5: Solve for x
    x = 170,130,879,728.21/572,196.54
  6. Step 6: Final answer
    x = 297,329.45

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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.