Home / 823,816.80-1,136,962.96-501,715.68

Finding the Fourth Proportional to 823,816.80, 1,136,962.96 and 501,715.68

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Solution

The fourth proportional to 823,816.80, 1,136,962.96 and 501,715.68 is: 692,425.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,816.80 : 1,136,962.96 = 501,715.68 : x
  2. Step 2: Convert to fraction form
    823,816.80/1,136,962.96 = 501,715.68/x
  3. Step 3: Cross multiply
    823,816.80x = 1,136,962.96 × 501,715.68
  4. Step 4: Simplify right side
    823,816.80x = 570,432,144,611.21
  5. Step 5: Solve for x
    x = 570,432,144,611.21/823,816.80
  6. Step 6: Final answer
    x = 692,425.97

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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.