Home / 926,560.60-1,389,840.90-261,712.60

Finding the Fourth Proportional to 926,560.60, 1,389,840.90 and 261,712.60

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Solution

The fourth proportional to 926,560.60, 1,389,840.90 and 261,712.60 is: 392,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,560.60 : 1,389,840.90 = 261,712.60 : x
  2. Step 2: Convert to fraction form
    926,560.60/1,389,840.90 = 261,712.60/x
  3. Step 3: Cross multiply
    926,560.60x = 1,389,840.90 × 261,712.60
  4. Step 4: Simplify right side
    926,560.60x = 363,738,875,525.34
  5. Step 5: Solve for x
    x = 363,738,875,525.34/926,560.60
  6. Step 6: Final answer
    x = 392,568.90

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Half scale
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Double scale
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Similar ratio
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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.