Home / 664,394.19-916,851.20-362,590.35

Finding the Fourth Proportional to 664,394.19, 916,851.20 and 362,590.35

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Solution

The fourth proportional to 664,394.19, 916,851.20 and 362,590.35 is: 500,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,394.19 : 916,851.20 = 362,590.35 : x
  2. Step 2: Convert to fraction form
    664,394.19/916,851.20 = 362,590.35/x
  3. Step 3: Cross multiply
    664,394.19x = 916,851.20 × 362,590.35
  4. Step 4: Simplify right side
    664,394.19x = 332,441,395,692.97
  5. Step 5: Solve for x
    x = 332,441,395,692.97/664,394.19
  6. Step 6: Final answer
    x = 500,367.70

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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.