Home / 1,135,997.20-1,703,347.80-426,048.40

Finding the Fourth Proportional to 1,135,997.20, 1,703,347.80 and 426,048.40

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Solution

The fourth proportional to 1,135,997.20, 1,703,347.80 and 426,048.40 is: 638,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,997.20 : 1,703,347.80 = 426,048.40 : x
  2. Step 2: Convert to fraction form
    1,135,997.20/1,703,347.80 = 426,048.40/x
  3. Step 3: Cross multiply
    1,135,997.20x = 1,703,347.80 × 426,048.40
  4. Step 4: Simplify right side
    1,135,997.20x = 725,708,604,833.52
  5. Step 5: Solve for x
    x = 725,708,604,833.52/1,135,997.20
  6. Step 6: Final answer
    x = 638,829.57

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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.