Home / 826,801.63-1,140,698.16-520,905.33

Finding the Fourth Proportional to 826,801.63, 1,140,698.16 and 520,905.33

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Solution

The fourth proportional to 826,801.63, 1,140,698.16 and 520,905.33 is: 718,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,801.63 : 1,140,698.16 = 520,905.33 : x
  2. Step 2: Convert to fraction form
    826,801.63/1,140,698.16 = 520,905.33/x
  3. Step 3: Cross multiply
    826,801.63x = 1,140,698.16 × 520,905.33
  4. Step 4: Simplify right side
    826,801.63x = 594,195,751,465.19
  5. Step 5: Solve for x
    x = 594,195,751,465.19/826,801.63
  6. Step 6: Final answer
    x = 718,667.85

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Double scale
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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.