Home / 826,686.07-1,140,747.97-464,026.81

Finding the Fourth Proportional to 826,686.07, 1,140,747.97 and 464,026.81

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Solution

The fourth proportional to 826,686.07, 1,140,747.97 and 464,026.81 is: 640,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,686.07 : 1,140,747.97 = 464,026.81 : x
  2. Step 2: Convert to fraction form
    826,686.07/1,140,747.97 = 464,026.81/x
  3. Step 3: Cross multiply
    826,686.07x = 1,140,747.97 × 464,026.81
  4. Step 4: Simplify right side
    826,686.07x = 529,337,641,533.08
  5. Step 5: Solve for x
    x = 529,337,641,533.08/826,686.07
  6. Step 6: Final answer
    x = 640,312.76

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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.