Home / 784,440.33-1,177,291.13-405,472.23

Finding the Fourth Proportional to 784,440.33, 1,177,291.13 and 405,472.23

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Solution

The fourth proportional to 784,440.33, 1,177,291.13 and 405,472.23 is: 608,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,440.33 : 1,177,291.13 = 405,472.23 : x
  2. Step 2: Convert to fraction form
    784,440.33/1,177,291.13 = 405,472.23/x
  3. Step 3: Cross multiply
    784,440.33x = 1,177,291.13 × 405,472.23
  4. Step 4: Simplify right side
    784,440.33x = 477,358,857,812.96
  5. Step 5: Solve for x
    x = 477,358,857,812.96/784,440.33
  6. Step 6: Final answer
    x = 608,534.31

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Double scale
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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.