Home / 637,944.01-879,771.37-465,588.97

Finding the Fourth Proportional to 637,944.01, 879,771.37 and 465,588.97

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Solution

The fourth proportional to 637,944.01, 879,771.37 and 465,588.97 is: 642,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,944.01 : 879,771.37 = 465,588.97 : x
  2. Step 2: Convert to fraction form
    637,944.01/879,771.37 = 465,588.97/x
  3. Step 3: Cross multiply
    637,944.01x = 879,771.37 × 465,588.97
  4. Step 4: Simplify right side
    637,944.01x = 409,611,845,993.79
  5. Step 5: Solve for x
    x = 409,611,845,993.79/637,944.01
  6. Step 6: Final answer
    x = 642,081.19

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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.