Home / 800,189.15-1,104,662.57-618,490.46

Finding the Fourth Proportional to 800,189.15, 1,104,662.57 and 618,490.46

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Solution

The fourth proportional to 800,189.15, 1,104,662.57 and 618,490.46 is: 853,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,189.15 : 1,104,662.57 = 618,490.46 : x
  2. Step 2: Convert to fraction form
    800,189.15/1,104,662.57 = 618,490.46/x
  3. Step 3: Cross multiply
    800,189.15x = 1,104,662.57 × 618,490.46
  4. Step 4: Simplify right side
    800,189.15x = 683,223,252,448.32
  5. Step 5: Solve for x
    x = 683,223,252,448.32/800,189.15
  6. Step 6: Final answer
    x = 853,827.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.