Home / 1,276,038.24-1,914,353.52-434,597.28

Finding the Fourth Proportional to 1,276,038.24, 1,914,353.52 and 434,597.28

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Solution

The fourth proportional to 1,276,038.24, 1,914,353.52 and 434,597.28 is: 651,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,038.24 : 1,914,353.52 = 434,597.28 : x
  2. Step 2: Convert to fraction form
    1,276,038.24/1,914,353.52 = 434,597.28/x
  3. Step 3: Cross multiply
    1,276,038.24x = 1,914,353.52 × 434,597.28
  4. Step 4: Simplify right side
    1,276,038.24x = 831,972,832,750.43
  5. Step 5: Solve for x
    x = 831,972,832,750.43/1,276,038.24
  6. Step 6: Final answer
    x = 651,996.79

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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.