Home / 822,390.40-1,235,659.20-523,014.40

Finding the Fourth Proportional to 822,390.40, 1,235,659.20 and 523,014.40

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Solution

The fourth proportional to 822,390.40, 1,235,659.20 and 523,014.40 is: 785,840.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,390.40 : 1,235,659.20 = 523,014.40 : x
  2. Step 2: Convert to fraction form
    822,390.40/1,235,659.20 = 523,014.40/x
  3. Step 3: Cross multiply
    822,390.40x = 1,235,659.20 × 523,014.40
  4. Step 4: Simplify right side
    822,390.40x = 646,267,555,092.48
  5. Step 5: Solve for x
    x = 646,267,555,092.48/822,390.40
  6. Step 6: Final answer
    x = 785,840.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.