Home / 1,185,478.74-1,778,155.38-332,609.76

Finding the Fourth Proportional to 1,185,478.74, 1,778,155.38 and 332,609.76

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Solution

The fourth proportional to 1,185,478.74, 1,778,155.38 and 332,609.76 is: 498,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,478.74 : 1,778,155.38 = 332,609.76 : x
  2. Step 2: Convert to fraction form
    1,185,478.74/1,778,155.38 = 332,609.76/x
  3. Step 3: Cross multiply
    1,185,478.74x = 1,778,155.38 × 332,609.76
  4. Step 4: Simplify right side
    1,185,478.74x = 591,431,834,184.51
  5. Step 5: Solve for x
    x = 591,431,834,184.51/1,185,478.74
  6. Step 6: Final answer
    x = 498,897.04

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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.