Home / 1,535,400.38-2,118,840.67-847,101.24

Finding the Fourth Proportional to 1,535,400.38, 2,118,840.67 and 847,101.24

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Solution

The fourth proportional to 1,535,400.38, 2,118,840.67 and 847,101.24 is: 1,168,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,400.38 : 2,118,840.67 = 847,101.24 : x
  2. Step 2: Convert to fraction form
    1,535,400.38/2,118,840.67 = 847,101.24/x
  3. Step 3: Cross multiply
    1,535,400.38x = 2,118,840.67 × 847,101.24
  4. Step 4: Simplify right side
    1,535,400.38x = 1,794,872,558,919.43
  5. Step 5: Solve for x
    x = 1,794,872,558,919.43/1,535,400.38
  6. Step 6: Final answer
    x = 1,168,993.17

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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.