Home / 1,265,725.19-1,898,703.15-412,577.86

Finding the Fourth Proportional to 1,265,725.19, 1,898,703.15 and 412,577.86

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Solution

The fourth proportional to 1,265,725.19, 1,898,703.15 and 412,577.86 is: 618,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,725.19 : 1,898,703.15 = 412,577.86 : x
  2. Step 2: Convert to fraction form
    1,265,725.19/1,898,703.15 = 412,577.86/x
  3. Step 3: Cross multiply
    1,265,725.19x = 1,898,703.15 × 412,577.86
  4. Step 4: Simplify right side
    1,265,725.19x = 783,362,872,908.74
  5. Step 5: Solve for x
    x = 783,362,872,908.74/1,265,725.19
  6. Step 6: Final answer
    x = 618,904.39

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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.