Home / 1,276,082.54-1,914,398.40-636,730.10

Finding the Fourth Proportional to 1,276,082.54, 1,914,398.40 and 636,730.10

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Solution

The fourth proportional to 1,276,082.54, 1,914,398.40 and 636,730.10 is: 955,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,082.54 : 1,914,398.40 = 636,730.10 : x
  2. Step 2: Convert to fraction form
    1,276,082.54/1,914,398.40 = 636,730.10/x
  3. Step 3: Cross multiply
    1,276,082.54x = 1,914,398.40 × 636,730.10
  4. Step 4: Simplify right side
    1,276,082.54x = 1,218,955,084,671.84
  5. Step 5: Solve for x
    x = 1,218,955,084,671.84/1,276,082.54
  6. Step 6: Final answer
    x = 955,232.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.