Home / 1,273,998.80-1,911,293.40-432,550.52

Finding the Fourth Proportional to 1,273,998.80, 1,911,293.40 and 432,550.52

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Solution

The fourth proportional to 1,273,998.80, 1,911,293.40 and 432,550.52 is: 648,926.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,998.80 : 1,911,293.40 = 432,550.52 : x
  2. Step 2: Convert to fraction form
    1,273,998.80/1,911,293.40 = 432,550.52/x
  3. Step 3: Cross multiply
    1,273,998.80x = 1,911,293.40 × 432,550.52
  4. Step 4: Simplify right side
    1,273,998.80x = 826,730,954,042.57
  5. Step 5: Solve for x
    x = 826,730,954,042.57/1,273,998.80
  6. Step 6: Final answer
    x = 648,926.01

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1.5x scale

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.