Home / 857,943.96-1,183,867.74-475,875.48

Finding the Fourth Proportional to 857,943.96, 1,183,867.74 and 475,875.48

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Solution

The fourth proportional to 857,943.96, 1,183,867.74 and 475,875.48 is: 656,655.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,943.96 : 1,183,867.74 = 475,875.48 : x
  2. Step 2: Convert to fraction form
    857,943.96/1,183,867.74 = 475,875.48/x
  3. Step 3: Cross multiply
    857,943.96x = 1,183,867.74 × 475,875.48
  4. Step 4: Simplify right side
    857,943.96x = 563,373,629,029.02
  5. Step 5: Solve for x
    x = 563,373,629,029.02/857,943.96
  6. Step 6: Final answer
    x = 656,655.51

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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.