Home / 1,279,088.40-1,765,095.72-706,116.27

Finding the Fourth Proportional to 1,279,088.40, 1,765,095.72 and 706,116.27

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Solution

The fourth proportional to 1,279,088.40, 1,765,095.72 and 706,116.27 is: 974,414.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,088.40 : 1,765,095.72 = 706,116.27 : x
  2. Step 2: Convert to fraction form
    1,279,088.40/1,765,095.72 = 706,116.27/x
  3. Step 3: Cross multiply
    1,279,088.40x = 1,765,095.72 × 706,116.27
  4. Step 4: Simplify right side
    1,279,088.40x = 1,246,362,805,999.36
  5. Step 5: Solve for x
    x = 1,246,362,805,999.36/1,279,088.40
  6. Step 6: Final answer
    x = 974,414.91

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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.