Home / 1,070,919.16-1,477,758.94-641,188.24

Finding the Fourth Proportional to 1,070,919.16, 1,477,758.94 and 641,188.24

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Solution

The fourth proportional to 1,070,919.16, 1,477,758.94 and 641,188.24 is: 884,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,919.16 : 1,477,758.94 = 641,188.24 : x
  2. Step 2: Convert to fraction form
    1,070,919.16/1,477,758.94 = 641,188.24/x
  3. Step 3: Cross multiply
    1,070,919.16x = 1,477,758.94 × 641,188.24
  4. Step 4: Simplify right side
    1,070,919.16x = 947,521,653,882.87
  5. Step 5: Solve for x
    x = 947,521,653,882.87/1,070,919.16
  6. Step 6: Final answer
    x = 884,774.21

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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.