Home / 1,013,103.70-1,519,543.23-254,945.37

Finding the Fourth Proportional to 1,013,103.70, 1,519,543.23 and 254,945.37

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Solution

The fourth proportional to 1,013,103.70, 1,519,543.23 and 254,945.37 is: 382,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,103.70 : 1,519,543.23 = 254,945.37 : x
  2. Step 2: Convert to fraction form
    1,013,103.70/1,519,543.23 = 254,945.37/x
  3. Step 3: Cross multiply
    1,013,103.70x = 1,519,543.23 × 254,945.37
  4. Step 4: Simplify right side
    1,013,103.70x = 387,400,506,136.86
  5. Step 5: Solve for x
    x = 387,400,506,136.86/1,013,103.70
  6. Step 6: Final answer
    x = 382,389.79

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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.