Home / 857,100.17-1,182,718.68-475,094.45

Finding the Fourth Proportional to 857,100.17, 1,182,718.68 and 475,094.45

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Solution

The fourth proportional to 857,100.17, 1,182,718.68 and 475,094.45 is: 655,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,100.17 : 1,182,718.68 = 475,094.45 : x
  2. Step 2: Convert to fraction form
    857,100.17/1,182,718.68 = 475,094.45/x
  3. Step 3: Cross multiply
    857,100.17x = 1,182,718.68 × 475,094.45
  4. Step 4: Simplify right side
    857,100.17x = 561,903,080,779.33
  5. Step 5: Solve for x
    x = 561,903,080,779.33/857,100.17
  6. Step 6: Final answer
    x = 655,586.24

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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.