Home / 1,591,405.80-2,387,109.48-526,447.86

Finding the Fourth Proportional to 1,591,405.80, 2,387,109.48 and 526,447.86

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Solution

The fourth proportional to 1,591,405.80, 2,387,109.48 and 526,447.86 is: 789,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,405.80 : 2,387,109.48 = 526,447.86 : x
  2. Step 2: Convert to fraction form
    1,591,405.80/2,387,109.48 = 526,447.86/x
  3. Step 3: Cross multiply
    1,591,405.80x = 2,387,109.48 × 526,447.86
  4. Step 4: Simplify right side
    1,591,405.80x = 1,256,688,677,331.71
  5. Step 5: Solve for x
    x = 1,256,688,677,331.71/1,591,405.80
  6. Step 6: Final answer
    x = 789,672.05

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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.