Home / 1,132,321.10-1,562,646.12-648,979.52

Finding the Fourth Proportional to 1,132,321.10, 1,562,646.12 and 648,979.52

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Solution

The fourth proportional to 1,132,321.10, 1,562,646.12 and 648,979.52 is: 895,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,321.10 : 1,562,646.12 = 648,979.52 : x
  2. Step 2: Convert to fraction form
    1,132,321.10/1,562,646.12 = 648,979.52/x
  3. Step 3: Cross multiply
    1,132,321.10x = 1,562,646.12 × 648,979.52
  4. Step 4: Simplify right side
    1,132,321.10x = 1,014,125,328,887.46
  5. Step 5: Solve for x
    x = 1,014,125,328,887.46/1,132,321.10
  6. Step 6: Final answer
    x = 895,616.38

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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.