Home / 993,774.16-1,371,442.08-558,268.36

Finding the Fourth Proportional to 993,774.16, 1,371,442.08 and 558,268.36

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Solution

The fourth proportional to 993,774.16, 1,371,442.08 and 558,268.36 is: 770,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,774.16 : 1,371,442.08 = 558,268.36 : x
  2. Step 2: Convert to fraction form
    993,774.16/1,371,442.08 = 558,268.36/x
  3. Step 3: Cross multiply
    993,774.16x = 1,371,442.08 × 558,268.36
  4. Step 4: Simplify right side
    993,774.16x = 765,632,720,836.59
  5. Step 5: Solve for x
    x = 765,632,720,836.59/993,774.16
  6. Step 6: Final answer
    x = 770,429.29

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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.