Home / 843,985.53-1,266,089.45-275,166.81

Finding the Fourth Proportional to 843,985.53, 1,266,089.45 and 275,166.81

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Solution

The fourth proportional to 843,985.53, 1,266,089.45 and 275,166.81 is: 412,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,985.53 : 1,266,089.45 = 275,166.81 : x
  2. Step 2: Convert to fraction form
    843,985.53/1,266,089.45 = 275,166.81/x
  3. Step 3: Cross multiply
    843,985.53x = 1,266,089.45 × 275,166.81
  4. Step 4: Simplify right side
    843,985.53x = 348,385,793,755.32
  5. Step 5: Solve for x
    x = 348,385,793,755.32/843,985.53
  6. Step 6: Final answer
    x = 412,786.45

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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.