Home / 456,526.35-684,875.58-140,909.44

Finding the Fourth Proportional to 456,526.35, 684,875.58 and 140,909.44

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Solution

The fourth proportional to 456,526.35, 684,875.58 and 140,909.44 is: 211,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,526.35 : 684,875.58 = 140,909.44 : x
  2. Step 2: Convert to fraction form
    456,526.35/684,875.58 = 140,909.44/x
  3. Step 3: Cross multiply
    456,526.35x = 684,875.58 × 140,909.44
  4. Step 4: Simplify right side
    456,526.35x = 96,505,434,447.48
  5. Step 5: Solve for x
    x = 96,505,434,447.48/456,526.35
  6. Step 6: Final answer
    x = 211,390.72

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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.