Home / 1,359,040.64-2,038,573.14-412,411.28

Finding the Fourth Proportional to 1,359,040.64, 2,038,573.14 and 412,411.28

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Solution

The fourth proportional to 1,359,040.64, 2,038,573.14 and 412,411.28 is: 618,620.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,040.64 : 2,038,573.14 = 412,411.28 : x
  2. Step 2: Convert to fraction form
    1,359,040.64/2,038,573.14 = 412,411.28/x
  3. Step 3: Cross multiply
    1,359,040.64x = 2,038,573.14 × 412,411.28
  4. Step 4: Simplify right side
    1,359,040.64x = 840,730,558,041.02
  5. Step 5: Solve for x
    x = 840,730,558,041.02/1,359,040.64
  6. Step 6: Final answer
    x = 618,620.62

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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.