Home / 1,223,999.70-1,835,999.55-382,550.10

Finding the Fourth Proportional to 1,223,999.70, 1,835,999.55 and 382,550.10

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Solution

The fourth proportional to 1,223,999.70, 1,835,999.55 and 382,550.10 is: 573,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,999.70 : 1,835,999.55 = 382,550.10 : x
  2. Step 2: Convert to fraction form
    1,223,999.70/1,835,999.55 = 382,550.10/x
  3. Step 3: Cross multiply
    1,223,999.70x = 1,835,999.55 × 382,550.10
  4. Step 4: Simplify right side
    1,223,999.70x = 702,361,811,452.46
  5. Step 5: Solve for x
    x = 702,361,811,452.46/1,223,999.70
  6. Step 6: Final answer
    x = 573,825.15

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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.