Home / 704,855.68-1,057,274.35-172,381.32

Finding the Fourth Proportional to 704,855.68, 1,057,274.35 and 172,381.32

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Solution

The fourth proportional to 704,855.68, 1,057,274.35 and 172,381.32 is: 258,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,855.68 : 1,057,274.35 = 172,381.32 : x
  2. Step 2: Convert to fraction form
    704,855.68/1,057,274.35 = 172,381.32/x
  3. Step 3: Cross multiply
    704,855.68x = 1,057,274.35 × 172,381.32
  4. Step 4: Simplify right side
    704,855.68x = 182,254,348,055.14
  5. Step 5: Solve for x
    x = 182,254,348,055.14/704,855.68
  6. Step 6: Final answer
    x = 258,569.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.