Home / 738,396.43-1,107,594.59-177,430.93

Finding the Fourth Proportional to 738,396.43, 1,107,594.59 and 177,430.93

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Solution

The fourth proportional to 738,396.43, 1,107,594.59 and 177,430.93 is: 266,146.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,396.43 : 1,107,594.59 = 177,430.93 : x
  2. Step 2: Convert to fraction form
    738,396.43/1,107,594.59 = 177,430.93/x
  3. Step 3: Cross multiply
    738,396.43x = 1,107,594.59 × 177,430.93
  4. Step 4: Simplify right side
    738,396.43x = 196,521,534,510.53
  5. Step 5: Solve for x
    x = 196,521,534,510.53/738,396.43
  6. Step 6: Final answer
    x = 266,146.38

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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.