Home / 996,091.74-1,374,603.75-543,379.50

Finding the Fourth Proportional to 996,091.74, 1,374,603.75 and 543,379.50

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Solution

The fourth proportional to 996,091.74, 1,374,603.75 and 543,379.50 is: 749,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,091.74 : 1,374,603.75 = 543,379.50 : x
  2. Step 2: Convert to fraction form
    996,091.74/1,374,603.75 = 543,379.50/x
  3. Step 3: Cross multiply
    996,091.74x = 1,374,603.75 × 543,379.50
  4. Step 4: Simplify right side
    996,091.74x = 746,931,498,373.13
  5. Step 5: Solve for x
    x = 746,931,498,373.13/996,091.74
  6. Step 6: Final answer
    x = 749,862.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.