Home / 1,136,984.88-1,705,321.80-338,389.68

Finding the Fourth Proportional to 1,136,984.88, 1,705,321.80 and 338,389.68

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Solution

The fourth proportional to 1,136,984.88, 1,705,321.80 and 338,389.68 is: 507,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,984.88 : 1,705,321.80 = 338,389.68 : x
  2. Step 2: Convert to fraction form
    1,136,984.88/1,705,321.80 = 338,389.68/x
  3. Step 3: Cross multiply
    1,136,984.88x = 1,705,321.80 × 338,389.68
  4. Step 4: Simplify right side
    1,136,984.88x = 577,063,298,199.02
  5. Step 5: Solve for x
    x = 577,063,298,199.02/1,136,984.88
  6. Step 6: Final answer
    x = 507,538.23

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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.