Home / 901,980.14-1,244,752.64-514,787.81

Finding the Fourth Proportional to 901,980.14, 1,244,752.64 and 514,787.81

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Solution

The fourth proportional to 901,980.14, 1,244,752.64 and 514,787.81 is: 710,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,980.14 : 1,244,752.64 = 514,787.81 : x
  2. Step 2: Convert to fraction form
    901,980.14/1,244,752.64 = 514,787.81/x
  3. Step 3: Cross multiply
    901,980.14x = 1,244,752.64 × 514,787.81
  4. Step 4: Simplify right side
    901,980.14x = 640,783,490,620.51
  5. Step 5: Solve for x
    x = 640,783,490,620.51/901,980.14
  6. Step 6: Final answer
    x = 710,418.62

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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.