Home / 757,373.36-1,045,138.76-413,188.80

Finding the Fourth Proportional to 757,373.36, 1,045,138.76 and 413,188.80

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Solution

The fourth proportional to 757,373.36, 1,045,138.76 and 413,188.80 is: 570,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,373.36 : 1,045,138.76 = 413,188.80 : x
  2. Step 2: Convert to fraction form
    757,373.36/1,045,138.76 = 413,188.80/x
  3. Step 3: Cross multiply
    757,373.36x = 1,045,138.76 × 413,188.80
  4. Step 4: Simplify right side
    757,373.36x = 431,839,630,077.89
  5. Step 5: Solve for x
    x = 431,839,630,077.89/757,373.36
  6. Step 6: Final answer
    x = 570,180.64

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Double scale
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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.