Home / 607,636.20-911,454.30-578,111.70

Finding the Fourth Proportional to 607,636.20, 911,454.30 and 578,111.70

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Solution

The fourth proportional to 607,636.20, 911,454.30 and 578,111.70 is: 867,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,636.20 : 911,454.30 = 578,111.70 : x
  2. Step 2: Convert to fraction form
    607,636.20/911,454.30 = 578,111.70/x
  3. Step 3: Cross multiply
    607,636.20x = 911,454.30 × 578,111.70
  4. Step 4: Simplify right side
    607,636.20x = 526,922,394,845.31
  5. Step 5: Solve for x
    x = 526,922,394,845.31/607,636.20
  6. Step 6: Final answer
    x = 867,167.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.