Home / 815,781.15-1,223,561.00-239,389.10

Finding the Fourth Proportional to 815,781.15, 1,223,561.00 and 239,389.10

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Solution

The fourth proportional to 815,781.15, 1,223,561.00 and 239,389.10 is: 359,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,781.15 : 1,223,561.00 = 239,389.10 : x
  2. Step 2: Convert to fraction form
    815,781.15/1,223,561.00 = 239,389.10/x
  3. Step 3: Cross multiply
    815,781.15x = 1,223,561.00 × 239,389.10
  4. Step 4: Simplify right side
    815,781.15x = 292,907,162,549.49
  5. Step 5: Solve for x
    x = 292,907,162,549.49/815,781.15
  6. Step 6: Final answer
    x = 359,051.15

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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.