Home / 816,035.20-1,223,210.40-366,971.20

Finding the Fourth Proportional to 816,035.20, 1,223,210.40 and 366,971.20

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Solution

The fourth proportional to 816,035.20, 1,223,210.40 and 366,971.20 is: 550,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,035.20 : 1,223,210.40 = 366,971.20 : x
  2. Step 2: Convert to fraction form
    816,035.20/1,223,210.40 = 366,971.20/x
  3. Step 3: Cross multiply
    816,035.20x = 1,223,210.40 × 366,971.20
  4. Step 4: Simplify right side
    816,035.20x = 448,882,988,340.48
  5. Step 5: Solve for x
    x = 448,882,988,340.48/816,035.20
  6. Step 6: Final answer
    x = 550,077.97

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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.