Home / 826,385.58-1,140,412.08-463,809.44

Finding the Fourth Proportional to 826,385.58, 1,140,412.08 and 463,809.44

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Solution

The fourth proportional to 826,385.58, 1,140,412.08 and 463,809.44 is: 640,057.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,385.58 : 1,140,412.08 = 463,809.44 : x
  2. Step 2: Convert to fraction form
    826,385.58/1,140,412.08 = 463,809.44/x
  3. Step 3: Cross multiply
    826,385.58x = 1,140,412.08 × 463,809.44
  4. Step 4: Simplify right side
    826,385.58x = 528,933,888,194.04
  5. Step 5: Solve for x
    x = 528,933,888,194.04/826,385.58
  6. Step 6: Final answer
    x = 640,057.02

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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.