Home / 500,166.22-690,551.40-446,358.82

Finding the Fourth Proportional to 500,166.22, 690,551.40 and 446,358.82

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Solution

The fourth proportional to 500,166.22, 690,551.40 and 446,358.82 is: 616,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,166.22 : 690,551.40 = 446,358.82 : x
  2. Step 2: Convert to fraction form
    500,166.22/690,551.40 = 446,358.82/x
  3. Step 3: Cross multiply
    500,166.22x = 690,551.40 × 446,358.82
  4. Step 4: Simplify right side
    500,166.22x = 308,233,708,053.35
  5. Step 5: Solve for x
    x = 308,233,708,053.35/500,166.22
  6. Step 6: Final answer
    x = 616,262.55

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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.