Home / 823,700.03-1,235,076.83-438,975.13

Finding the Fourth Proportional to 823,700.03, 1,235,076.83 and 438,975.13

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Solution

The fourth proportional to 823,700.03, 1,235,076.83 and 438,975.13 is: 658,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,700.03 : 1,235,076.83 = 438,975.13 : x
  2. Step 2: Convert to fraction form
    823,700.03/1,235,076.83 = 438,975.13/x
  3. Step 3: Cross multiply
    823,700.03x = 1,235,076.83 × 438,975.13
  4. Step 4: Simplify right side
    823,700.03x = 542,168,012,009.24
  5. Step 5: Solve for x
    x = 542,168,012,009.24/823,700.03
  6. Step 6: Final answer
    x = 658,210.50

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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.