Home / 820,261.40-1,230,392.10-596,312.60

Finding the Fourth Proportional to 820,261.40, 1,230,392.10 and 596,312.60

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Solution

The fourth proportional to 820,261.40, 1,230,392.10 and 596,312.60 is: 894,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,261.40 : 1,230,392.10 = 596,312.60 : x
  2. Step 2: Convert to fraction form
    820,261.40/1,230,392.10 = 596,312.60/x
  3. Step 3: Cross multiply
    820,261.40x = 1,230,392.10 × 596,312.60
  4. Step 4: Simplify right side
    820,261.40x = 733,698,312,170.46
  5. Step 5: Solve for x
    x = 733,698,312,170.46/820,261.40
  6. Step 6: Final answer
    x = 894,468.90

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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.