Home / 754,666.36-1,131,999.50-517,289.38

Finding the Fourth Proportional to 754,666.36, 1,131,999.50 and 517,289.38

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Solution

The fourth proportional to 754,666.36, 1,131,999.50 and 517,289.38 is: 775,934.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,666.36 : 1,131,999.50 = 517,289.38 : x
  2. Step 2: Convert to fraction form
    754,666.36/1,131,999.50 = 517,289.38/x
  3. Step 3: Cross multiply
    754,666.36x = 1,131,999.50 × 517,289.38
  4. Step 4: Simplify right side
    754,666.36x = 585,571,319,515.31
  5. Step 5: Solve for x
    x = 585,571,319,515.31/754,666.36
  6. Step 6: Final answer
    x = 775,934.04

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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.