Home / 1,150,243.72-1,726,133.46-402,289.72

Finding the Fourth Proportional to 1,150,243.72, 1,726,133.46 and 402,289.72

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Solution

The fourth proportional to 1,150,243.72, 1,726,133.46 and 402,289.72 is: 603,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,243.72 : 1,726,133.46 = 402,289.72 : x
  2. Step 2: Convert to fraction form
    1,150,243.72/1,726,133.46 = 402,289.72/x
  3. Step 3: Cross multiply
    1,150,243.72x = 1,726,133.46 × 402,289.72
  4. Step 4: Simplify right side
    1,150,243.72x = 694,405,746,306.03
  5. Step 5: Solve for x
    x = 694,405,746,306.03/1,150,243.72
  6. Step 6: Final answer
    x = 603,703.14

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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.