Home / 486,590.32-671,551.76-404,774.15

Finding the Fourth Proportional to 486,590.32, 671,551.76 and 404,774.15

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Solution

The fourth proportional to 486,590.32, 671,551.76 and 404,774.15 is: 558,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,590.32 : 671,551.76 = 404,774.15 : x
  2. Step 2: Convert to fraction form
    486,590.32/671,551.76 = 404,774.15/x
  3. Step 3: Cross multiply
    486,590.32x = 671,551.76 × 404,774.15
  4. Step 4: Simplify right side
    486,590.32x = 271,826,790,489.18
  5. Step 5: Solve for x
    x = 271,826,790,489.18/486,590.32
  6. Step 6: Final answer
    x = 558,635.84

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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.