Home / 1,168,003.16-1,611,732.28-709,368.72

Finding the Fourth Proportional to 1,168,003.16, 1,611,732.28 and 709,368.72

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Solution

The fourth proportional to 1,168,003.16, 1,611,732.28 and 709,368.72 is: 978,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,003.16 : 1,611,732.28 = 709,368.72 : x
  2. Step 2: Convert to fraction form
    1,168,003.16/1,611,732.28 = 709,368.72/x
  3. Step 3: Cross multiply
    1,168,003.16x = 1,611,732.28 × 709,368.72
  4. Step 4: Simplify right side
    1,168,003.16x = 1,143,312,464,446.28
  5. Step 5: Solve for x
    x = 1,143,312,464,446.28/1,168,003.16
  6. Step 6: Final answer
    x = 978,860.76

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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.