Home / 633,899.92-874,878.24-404,556.16

Finding the Fourth Proportional to 633,899.92, 874,878.24 and 404,556.16

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Solution

The fourth proportional to 633,899.92, 874,878.24 and 404,556.16 is: 558,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,899.92 : 874,878.24 = 404,556.16 : x
  2. Step 2: Convert to fraction form
    633,899.92/874,878.24 = 404,556.16/x
  3. Step 3: Cross multiply
    633,899.92x = 874,878.24 × 404,556.16
  4. Step 4: Simplify right side
    633,899.92x = 353,937,381,241.96
  5. Step 5: Solve for x
    x = 353,937,381,241.96/633,899.92
  6. Step 6: Final answer
    x = 558,348.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.