Home / 1,323,004.70-1,985,543.85-613,120.70

Finding the Fourth Proportional to 1,323,004.70, 1,985,543.85 and 613,120.70

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Solution

The fourth proportional to 1,323,004.70, 1,985,543.85 and 613,120.70 is: 920,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,004.70 : 1,985,543.85 = 613,120.70 : x
  2. Step 2: Convert to fraction form
    1,323,004.70/1,985,543.85 = 613,120.70/x
  3. Step 3: Cross multiply
    1,323,004.70x = 1,985,543.85 × 613,120.70
  4. Step 4: Simplify right side
    1,323,004.70x = 1,217,378,035,192.70
  5. Step 5: Solve for x
    x = 1,217,378,035,192.70/1,323,004.70
  6. Step 6: Final answer
    x = 920,161.53

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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.