Home / 931,317.04-1,284,993.30-543,912.76

Finding the Fourth Proportional to 931,317.04, 1,284,993.30 and 543,912.76

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Solution

The fourth proportional to 931,317.04, 1,284,993.30 and 543,912.76 is: 750,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,317.04 : 1,284,993.30 = 543,912.76 : x
  2. Step 2: Convert to fraction form
    931,317.04/1,284,993.30 = 543,912.76/x
  3. Step 3: Cross multiply
    931,317.04x = 1,284,993.30 × 543,912.76
  4. Step 4: Simplify right side
    931,317.04x = 698,924,252,384.51
  5. Step 5: Solve for x
    x = 698,924,252,384.51/931,317.04
  6. Step 6: Final answer
    x = 750,468.66

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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.