Home / 1,155,609.96-1,733,103.90-407,558.76

Finding the Fourth Proportional to 1,155,609.96, 1,733,103.90 and 407,558.76

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Solution

The fourth proportional to 1,155,609.96, 1,733,103.90 and 407,558.76 is: 611,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,609.96 : 1,733,103.90 = 407,558.76 : x
  2. Step 2: Convert to fraction form
    1,155,609.96/1,733,103.90 = 407,558.76/x
  3. Step 3: Cross multiply
    1,155,609.96x = 1,733,103.90 × 407,558.76
  4. Step 4: Simplify right side
    1,155,609.96x = 706,341,676,435.16
  5. Step 5: Solve for x
    x = 706,341,676,435.16/1,155,609.96
  6. Step 6: Final answer
    x = 611,228.44

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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.