Home / 826,698.93-1,140,910.47-464,146.62

Finding the Fourth Proportional to 826,698.93, 1,140,910.47 and 464,146.62

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Solution

The fourth proportional to 826,698.93, 1,140,910.47 and 464,146.62 is: 640,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,698.93 : 1,140,910.47 = 464,146.62 : x
  2. Step 2: Convert to fraction form
    826,698.93/1,140,910.47 = 464,146.62/x
  3. Step 3: Cross multiply
    826,698.93x = 1,140,910.47 × 464,146.62
  4. Step 4: Simplify right side
    826,698.93x = 529,549,738,373.11
  5. Step 5: Solve for x
    x = 529,549,738,373.11/826,698.93
  6. Step 6: Final answer
    x = 640,559.36

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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.