Home / 746,381.52-1,030,006.53-406,849.77

Finding the Fourth Proportional to 746,381.52, 1,030,006.53 and 406,849.77

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Solution

The fourth proportional to 746,381.52, 1,030,006.53 and 406,849.77 is: 561,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,381.52 : 1,030,006.53 = 406,849.77 : x
  2. Step 2: Convert to fraction form
    746,381.52/1,030,006.53 = 406,849.77/x
  3. Step 3: Cross multiply
    746,381.52x = 1,030,006.53 × 406,849.77
  4. Step 4: Simplify right side
    746,381.52x = 419,057,919,829.00
  5. Step 5: Solve for x
    x = 419,057,919,829.00/746,381.52
  6. Step 6: Final answer
    x = 561,452.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.