Home / 1,173,121.80-1,759,682.70-374,429.40

Finding the Fourth Proportional to 1,173,121.80, 1,759,682.70 and 374,429.40

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Solution

The fourth proportional to 1,173,121.80, 1,759,682.70 and 374,429.40 is: 561,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,121.80 : 1,759,682.70 = 374,429.40 : x
  2. Step 2: Convert to fraction form
    1,173,121.80/1,759,682.70 = 374,429.40/x
  3. Step 3: Cross multiply
    1,173,121.80x = 1,759,682.70 × 374,429.40
  4. Step 4: Simplify right side
    1,173,121.80x = 658,876,937,551.38
  5. Step 5: Solve for x
    x = 658,876,937,551.38/1,173,121.80
  6. Step 6: Final answer
    x = 561,644.10

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Double scale
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Similar ratio
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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.