Home / 801,938.88-1,106,658.72-439,345.08

Finding the Fourth Proportional to 801,938.88, 1,106,658.72 and 439,345.08

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Solution

The fourth proportional to 801,938.88, 1,106,658.72 and 439,345.08 is: 606,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,938.88 : 1,106,658.72 = 439,345.08 : x
  2. Step 2: Convert to fraction form
    801,938.88/1,106,658.72 = 439,345.08/x
  3. Step 3: Cross multiply
    801,938.88x = 1,106,658.72 × 439,345.08
  4. Step 4: Simplify right side
    801,938.88x = 486,205,063,871.10
  5. Step 5: Solve for x
    x = 486,205,063,871.10/801,938.88
  6. Step 6: Final answer
    x = 606,286.93

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Double scale
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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.