Home / 1,124,543.70-1,686,815.61-325,825.77

Finding the Fourth Proportional to 1,124,543.70, 1,686,815.61 and 325,825.77

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Solution

The fourth proportional to 1,124,543.70, 1,686,815.61 and 325,825.77 is: 488,738.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,543.70 : 1,686,815.61 = 325,825.77 : x
  2. Step 2: Convert to fraction form
    1,124,543.70/1,686,815.61 = 325,825.77/x
  3. Step 3: Cross multiply
    1,124,543.70x = 1,686,815.61 × 325,825.77
  4. Step 4: Simplify right side
    1,124,543.70x = 549,607,994,976.27
  5. Step 5: Solve for x
    x = 549,607,994,976.27/1,124,543.70
  6. Step 6: Final answer
    x = 488,738.67

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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.