Home / 936,001.26-1,291,570.63-528,079.27

Finding the Fourth Proportional to 936,001.26, 1,291,570.63 and 528,079.27

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Solution

The fourth proportional to 936,001.26, 1,291,570.63 and 528,079.27 is: 728,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,001.26 : 1,291,570.63 = 528,079.27 : x
  2. Step 2: Convert to fraction form
    936,001.26/1,291,570.63 = 528,079.27/x
  3. Step 3: Cross multiply
    936,001.26x = 1,291,570.63 × 528,079.27
  4. Step 4: Simplify right side
    936,001.26x = 682,051,675,443.84
  5. Step 5: Solve for x
    x = 682,051,675,443.84/936,001.26
  6. Step 6: Final answer
    x = 728,686.71

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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.