Home / 850,317.36-1,173,393.66-528,020.54

Finding the Fourth Proportional to 850,317.36, 1,173,393.66 and 528,020.54

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Solution

The fourth proportional to 850,317.36, 1,173,393.66 and 528,020.54 is: 728,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,317.36 : 1,173,393.66 = 528,020.54 : x
  2. Step 2: Convert to fraction form
    850,317.36/1,173,393.66 = 528,020.54/x
  3. Step 3: Cross multiply
    850,317.36x = 1,173,393.66 × 528,020.54
  4. Step 4: Simplify right side
    850,317.36x = 619,575,953,985.78
  5. Step 5: Solve for x
    x = 619,575,953,985.78/850,317.36
  6. Step 6: Final answer
    x = 728,640.84

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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.