Home / 857,100.68-1,182,719.40-475,094.96

Finding the Fourth Proportional to 857,100.68, 1,182,719.40 and 475,094.96

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Solution

The fourth proportional to 857,100.68, 1,182,719.40 and 475,094.96 is: 655,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,100.68 : 1,182,719.40 = 475,094.96 : x
  2. Step 2: Convert to fraction form
    857,100.68/1,182,719.40 = 475,094.96/x
  3. Step 3: Cross multiply
    857,100.68x = 1,182,719.40 × 475,094.96
  4. Step 4: Simplify right side
    857,100.68x = 561,904,026,034.22
  5. Step 5: Solve for x
    x = 561,904,026,034.22/857,100.68
  6. Step 6: Final answer
    x = 655,586.96

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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.