Home / 872,196.80-1,204,108.08-528,091.52

Finding the Fourth Proportional to 872,196.80, 1,204,108.08 and 528,091.52

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Solution

The fourth proportional to 872,196.80, 1,204,108.08 and 528,091.52 is: 729,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,196.80 : 1,204,108.08 = 528,091.52 : x
  2. Step 2: Convert to fraction form
    872,196.80/1,204,108.08 = 528,091.52/x
  3. Step 3: Cross multiply
    872,196.80x = 1,204,108.08 × 528,091.52
  4. Step 4: Simplify right side
    872,196.80x = 635,879,266,211.48
  5. Step 5: Solve for x
    x = 635,879,266,211.48/872,196.80
  6. Step 6: Final answer
    x = 729,054.80

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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.