Home / 857,505.90-1,183,274.07-475,525.98

Finding the Fourth Proportional to 857,505.90, 1,183,274.07 and 475,525.98

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Solution

The fourth proportional to 857,505.90, 1,183,274.07 and 475,525.98 is: 656,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,505.90 : 1,183,274.07 = 475,525.98 : x
  2. Step 2: Convert to fraction form
    857,505.90/1,183,274.07 = 475,525.98/x
  3. Step 3: Cross multiply
    857,505.90x = 1,183,274.07 × 475,525.98
  4. Step 4: Simplify right side
    857,505.90x = 562,677,561,745.34
  5. Step 5: Solve for x
    x = 562,677,561,745.34/857,505.90
  6. Step 6: Final answer
    x = 656,179.23

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Double scale
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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.