Home / 607,926.20-911,907.74-208,561.19

Finding the Fourth Proportional to 607,926.20, 911,907.74 and 208,561.19

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Solution

The fourth proportional to 607,926.20, 911,907.74 and 208,561.19 is: 312,848.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,926.20 : 911,907.74 = 208,561.19 : x
  2. Step 2: Convert to fraction form
    607,926.20/911,907.74 = 208,561.19/x
  3. Step 3: Cross multiply
    607,926.20x = 911,907.74 × 208,561.19
  4. Step 4: Simplify right side
    607,926.20x = 190,188,563,424.61
  5. Step 5: Solve for x
    x = 190,188,563,424.61/607,926.20
  6. Step 6: Final answer
    x = 312,848.11

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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.