Home / 607,899.86-911,868.25-208,534.87

Finding the Fourth Proportional to 607,899.86, 911,868.25 and 208,534.87

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Solution

The fourth proportional to 607,899.86, 911,868.25 and 208,534.87 is: 312,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,899.86 : 911,868.25 = 208,534.87 : x
  2. Step 2: Convert to fraction form
    607,899.86/911,868.25 = 208,534.87/x
  3. Step 3: Cross multiply
    607,899.86x = 911,868.25 × 208,534.87
  4. Step 4: Simplify right side
    607,899.86x = 190,156,321,368.86
  5. Step 5: Solve for x
    x = 190,156,321,368.86/607,899.86
  6. Step 6: Final answer
    x = 312,808.63

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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.