Home / 831,982.06-1,248,159.80-263,397.16

Finding the Fourth Proportional to 831,982.06, 1,248,159.80 and 263,397.16

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Solution

The fourth proportional to 831,982.06, 1,248,159.80 and 263,397.16 is: 395,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,982.06 : 1,248,159.80 = 263,397.16 : x
  2. Step 2: Convert to fraction form
    831,982.06/1,248,159.80 = 263,397.16/x
  3. Step 3: Cross multiply
    831,982.06x = 1,248,159.80 × 263,397.16
  4. Step 4: Simplify right side
    831,982.06x = 328,761,738,988.38
  5. Step 5: Solve for x
    x = 328,761,738,988.38/831,982.06
  6. Step 6: Final answer
    x = 395,154.84

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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.