Home / 682,012.80-1,023,019.20-577,036.80

Finding the Fourth Proportional to 682,012.80, 1,023,019.20 and 577,036.80

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Solution

The fourth proportional to 682,012.80, 1,023,019.20 and 577,036.80 is: 865,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,012.80 : 1,023,019.20 = 577,036.80 : x
  2. Step 2: Convert to fraction form
    682,012.80/1,023,019.20 = 577,036.80/x
  3. Step 3: Cross multiply
    682,012.80x = 1,023,019.20 × 577,036.80
  4. Step 4: Simplify right side
    682,012.80x = 590,319,725,506.56
  5. Step 5: Solve for x
    x = 590,319,725,506.56/682,012.80
  6. Step 6: Final answer
    x = 865,555.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.