Home / 607,618.20-911,340.90-208,277.40

Finding the Fourth Proportional to 607,618.20, 911,340.90 and 208,277.40

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Solution

The fourth proportional to 607,618.20, 911,340.90 and 208,277.40 is: 312,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,618.20 : 911,340.90 = 208,277.40 : x
  2. Step 2: Convert to fraction form
    607,618.20/911,340.90 = 208,277.40/x
  3. Step 3: Cross multiply
    607,618.20x = 911,340.90 × 208,277.40
  4. Step 4: Simplify right side
    607,618.20x = 189,811,713,165.66
  5. Step 5: Solve for x
    x = 189,811,713,165.66/607,618.20
  6. Step 6: Final answer
    x = 312,386.48

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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.