Home / 826,610.84-1,140,722.38-464,035.40

Finding the Fourth Proportional to 826,610.84, 1,140,722.38 and 464,035.40

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Solution

The fourth proportional to 826,610.84, 1,140,722.38 and 464,035.40 is: 640,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,610.84 : 1,140,722.38 = 464,035.40 : x
  2. Step 2: Convert to fraction form
    826,610.84/1,140,722.38 = 464,035.40/x
  3. Step 3: Cross multiply
    826,610.84x = 1,140,722.38 × 464,035.40
  4. Step 4: Simplify right side
    826,610.84x = 529,335,565,892.25
  5. Step 5: Solve for x
    x = 529,335,565,892.25/826,610.84
  6. Step 6: Final answer
    x = 640,368.53

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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.