Home / 1,112,183.21-1,668,404.54-402,545.45

Finding the Fourth Proportional to 1,112,183.21, 1,668,404.54 and 402,545.45

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Solution

The fourth proportional to 1,112,183.21, 1,668,404.54 and 402,545.45 is: 603,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,183.21 : 1,668,404.54 = 402,545.45 : x
  2. Step 2: Convert to fraction form
    1,112,183.21/1,668,404.54 = 402,545.45/x
  3. Step 3: Cross multiply
    1,112,183.21x = 1,668,404.54 × 402,545.45
  4. Step 4: Simplify right side
    1,112,183.21x = 671,608,649,000.68
  5. Step 5: Solve for x
    x = 671,608,649,000.68/1,112,183.21
  6. Step 6: Final answer
    x = 603,865.12

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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.