Home / 707,837.51-977,029.22-481,614.23

Finding the Fourth Proportional to 707,837.51, 977,029.22 and 481,614.23

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Solution

The fourth proportional to 707,837.51, 977,029.22 and 481,614.23 is: 664,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,837.51 : 977,029.22 = 481,614.23 : x
  2. Step 2: Convert to fraction form
    707,837.51/977,029.22 = 481,614.23/x
  3. Step 3: Cross multiply
    707,837.51x = 977,029.22 × 481,614.23
  4. Step 4: Simplify right side
    707,837.51x = 470,551,175,477.80
  5. Step 5: Solve for x
    x = 470,551,175,477.80/707,837.51
  6. Step 6: Final answer
    x = 664,772.87

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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.