Home / 1,189,116.64-1,640,513.82-679,545.64

Finding the Fourth Proportional to 1,189,116.64, 1,640,513.82 and 679,545.64

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Solution

The fourth proportional to 1,189,116.64, 1,640,513.82 and 679,545.64 is: 937,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,116.64 : 1,640,513.82 = 679,545.64 : x
  2. Step 2: Convert to fraction form
    1,189,116.64/1,640,513.82 = 679,545.64/x
  3. Step 3: Cross multiply
    1,189,116.64x = 1,640,513.82 × 679,545.64
  4. Step 4: Simplify right side
    1,189,116.64x = 1,114,804,013,740.74
  5. Step 5: Solve for x
    x = 1,114,804,013,740.74/1,189,116.64
  6. Step 6: Final answer
    x = 937,506.02

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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.