Home / 698,718.08-964,110.81-392,752.01

Finding the Fourth Proportional to 698,718.08, 964,110.81 and 392,752.01

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Solution

The fourth proportional to 698,718.08, 964,110.81 and 392,752.01 is: 541,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,718.08 : 964,110.81 = 392,752.01 : x
  2. Step 2: Convert to fraction form
    698,718.08/964,110.81 = 392,752.01/x
  3. Step 3: Cross multiply
    698,718.08x = 964,110.81 × 392,752.01
  4. Step 4: Simplify right side
    698,718.08x = 378,656,458,490.23
  5. Step 5: Solve for x
    x = 378,656,458,490.23/698,718.08
  6. Step 6: Final answer
    x = 541,930.24

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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.