Home / 918,786.60-1,377,615.42-357,166.44

Finding the Fourth Proportional to 918,786.60, 1,377,615.42 and 357,166.44

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Solution

The fourth proportional to 918,786.60, 1,377,615.42 and 357,166.44 is: 535,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,786.60 : 1,377,615.42 = 357,166.44 : x
  2. Step 2: Convert to fraction form
    918,786.60/1,377,615.42 = 357,166.44/x
  3. Step 3: Cross multiply
    918,786.60x = 1,377,615.42 × 357,166.44
  4. Step 4: Simplify right side
    918,786.60x = 492,037,995,250.51
  5. Step 5: Solve for x
    x = 492,037,995,250.51/918,786.60
  6. Step 6: Final answer
    x = 535,530.23

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1.5x scale

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.