Home / 826,451.28-1,140,415.12-463,915.02

Finding the Fourth Proportional to 826,451.28, 1,140,415.12 and 463,915.02

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Solution

The fourth proportional to 826,451.28, 1,140,415.12 and 463,915.02 is: 640,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,451.28 : 1,140,415.12 = 463,915.02 : x
  2. Step 2: Convert to fraction form
    826,451.28/1,140,415.12 = 463,915.02/x
  3. Step 3: Cross multiply
    826,451.28x = 1,140,415.12 × 463,915.02
  4. Step 4: Simplify right side
    826,451.28x = 529,055,702,043.32
  5. Step 5: Solve for x
    x = 529,055,702,043.32/826,451.28
  6. Step 6: Final answer
    x = 640,153.53

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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.