Home / 1,281,644.12-1,921,334.78-483,486.17

Finding the Fourth Proportional to 1,281,644.12, 1,921,334.78 and 483,486.17

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Solution

The fourth proportional to 1,281,644.12, 1,921,334.78 and 483,486.17 is: 724,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,644.12 : 1,921,334.78 = 483,486.17 : x
  2. Step 2: Convert to fraction form
    1,281,644.12/1,921,334.78 = 483,486.17/x
  3. Step 3: Cross multiply
    1,281,644.12x = 1,921,334.78 × 483,486.17
  4. Step 4: Simplify right side
    1,281,644.12x = 928,938,785,672.03
  5. Step 5: Solve for x
    x = 928,938,785,672.03/1,281,644.12
  6. Step 6: Final answer
    x = 724,802.44

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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.