Home / 730,945.11-1,008,653.04-424,999.77

Finding the Fourth Proportional to 730,945.11, 1,008,653.04 and 424,999.77

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Solution

The fourth proportional to 730,945.11, 1,008,653.04 and 424,999.77 is: 586,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,945.11 : 1,008,653.04 = 424,999.77 : x
  2. Step 2: Convert to fraction form
    730,945.11/1,008,653.04 = 424,999.77/x
  3. Step 3: Cross multiply
    730,945.11x = 1,008,653.04 × 424,999.77
  4. Step 4: Simplify right side
    730,945.11x = 428,677,310,009.80
  5. Step 5: Solve for x
    x = 428,677,310,009.80/730,945.11
  6. Step 6: Final answer
    x = 586,469.91

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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.