Home / 3,314,705.38-4,972,043.88-918,543.12

Finding the Fourth Proportional to 3,314,705.38, 4,972,043.88 and 918,543.12

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Solution

The fourth proportional to 3,314,705.38, 4,972,043.88 and 918,543.12 is: 1,377,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,705.38 : 4,972,043.88 = 918,543.12 : x
  2. Step 2: Convert to fraction form
    3,314,705.38/4,972,043.88 = 918,543.12/x
  3. Step 3: Cross multiply
    3,314,705.38x = 4,972,043.88 × 918,543.12
  4. Step 4: Simplify right side
    3,314,705.38x = 4,567,036,698,312.11
  5. Step 5: Solve for x
    x = 4,567,036,698,312.11/3,314,705.38
  6. Step 6: Final answer
    x = 1,377,810.75

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.