Home / 857,241.36-1,182,993.12-475,259.76

Finding the Fourth Proportional to 857,241.36, 1,182,993.12 and 475,259.76

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Solution

The fourth proportional to 857,241.36, 1,182,993.12 and 475,259.76 is: 655,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,241.36 : 1,182,993.12 = 475,259.76 : x
  2. Step 2: Convert to fraction form
    857,241.36/1,182,993.12 = 475,259.76/x
  3. Step 3: Cross multiply
    857,241.36x = 1,182,993.12 × 475,259.76
  4. Step 4: Simplify right side
    857,241.36x = 562,229,026,292.85
  5. Step 5: Solve for x
    x = 562,229,026,292.85/857,241.36
  6. Step 6: Final answer
    x = 655,858.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.