Home / 857,557.16-1,183,399.08-475,619.48

Finding the Fourth Proportional to 857,557.16, 1,183,399.08 and 475,619.48

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Solution

The fourth proportional to 857,557.16, 1,183,399.08 and 475,619.48 is: 656,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,557.16 : 1,183,399.08 = 475,619.48 : x
  2. Step 2: Convert to fraction form
    857,557.16/1,183,399.08 = 475,619.48/x
  3. Step 3: Cross multiply
    857,557.16x = 1,183,399.08 × 475,619.48
  4. Step 4: Simplify right side
    857,557.16x = 562,847,655,062.08
  5. Step 5: Solve for x
    x = 562,847,655,062.08/857,557.16
  6. Step 6: Final answer
    x = 656,338.35

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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.