Home / 750,498.24-1,035,669.60-410,980.80

Finding the Fourth Proportional to 750,498.24, 1,035,669.60 and 410,980.80

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Solution

The fourth proportional to 750,498.24, 1,035,669.60 and 410,980.80 is: 567,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,498.24 : 1,035,669.60 = 410,980.80 : x
  2. Step 2: Convert to fraction form
    750,498.24/1,035,669.60 = 410,980.80/x
  3. Step 3: Cross multiply
    750,498.24x = 1,035,669.60 × 410,980.80
  4. Step 4: Simplify right side
    750,498.24x = 425,640,320,743.68
  5. Step 5: Solve for x
    x = 425,640,320,743.68/750,498.24
  6. Step 6: Final answer
    x = 567,143.66

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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.