Home / 826,686.57-1,140,748.66-464,027.31

Finding the Fourth Proportional to 826,686.57, 1,140,748.66 and 464,027.31

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Solution

The fourth proportional to 826,686.57, 1,140,748.66 and 464,027.31 is: 640,313.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,686.57 : 1,140,748.66 = 464,027.31 : x
  2. Step 2: Convert to fraction form
    826,686.57/1,140,748.66 = 464,027.31/x
  3. Step 3: Cross multiply
    826,686.57x = 1,140,748.66 × 464,027.31
  4. Step 4: Simplify right side
    826,686.57x = 529,338,532,085.91
  5. Step 5: Solve for x
    x = 529,338,532,085.91/826,686.57
  6. Step 6: Final answer
    x = 640,313.45

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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.