Home / 865,863.40-1,195,045.54-517,026.28

Finding the Fourth Proportional to 865,863.40, 1,195,045.54 and 517,026.28

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Solution

The fourth proportional to 865,863.40, 1,195,045.54 and 517,026.28 is: 713,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,863.40 : 1,195,045.54 = 517,026.28 : x
  2. Step 2: Convert to fraction form
    865,863.40/1,195,045.54 = 517,026.28/x
  3. Step 3: Cross multiply
    865,863.40x = 1,195,045.54 × 517,026.28
  4. Step 4: Simplify right side
    865,863.40x = 617,869,949,976.79
  5. Step 5: Solve for x
    x = 617,869,949,976.79/865,863.40
  6. Step 6: Final answer
    x = 713,588.25

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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.