Home / 1,078,187.22-1,617,109.38-358,469.10

Finding the Fourth Proportional to 1,078,187.22, 1,617,109.38 and 358,469.10

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Solution

The fourth proportional to 1,078,187.22, 1,617,109.38 and 358,469.10 is: 537,646.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,187.22 : 1,617,109.38 = 358,469.10 : x
  2. Step 2: Convert to fraction form
    1,078,187.22/1,617,109.38 = 358,469.10/x
  3. Step 3: Cross multiply
    1,078,187.22x = 1,617,109.38 × 358,469.10
  4. Step 4: Simplify right side
    1,078,187.22x = 579,683,744,050.16
  5. Step 5: Solve for x
    x = 579,683,744,050.16/1,078,187.22
  6. Step 6: Final answer
    x = 537,646.65

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Why These Related Problems?

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