Home / 830,840.85-1,246,261.28-830,840.85

Finding the Fourth Proportional to 830,840.85, 1,246,261.28 and 830,840.85

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Solution

The fourth proportional to 830,840.85, 1,246,261.28 and 830,840.85 is: 1,246,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,840.85 : 1,246,261.28 = 830,840.85 : x
  2. Step 2: Convert to fraction form
    830,840.85/1,246,261.28 = 830,840.85/x
  3. Step 3: Cross multiply
    830,840.85x = 1,246,261.28 × 830,840.85
  4. Step 4: Simplify right side
    830,840.85x = 1,035,444,777,043.08
  5. Step 5: Solve for x
    x = 1,035,444,777,043.08/830,840.85
  6. Step 6: Final answer
    x = 1,246,261.28

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Double scale
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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.