Home / 926,337.60-1,389,506.40-864,129.60

Finding the Fourth Proportional to 926,337.60, 1,389,506.40 and 864,129.60

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Solution

The fourth proportional to 926,337.60, 1,389,506.40 and 864,129.60 is: 1,296,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,337.60 : 1,389,506.40 = 864,129.60 : x
  2. Step 2: Convert to fraction form
    926,337.60/1,389,506.40 = 864,129.60/x
  3. Step 3: Cross multiply
    926,337.60x = 1,389,506.40 × 864,129.60
  4. Step 4: Simplify right side
    926,337.60x = 1,200,713,609,629.44
  5. Step 5: Solve for x
    x = 1,200,713,609,629.44/926,337.60
  6. Step 6: Final answer
    x = 1,296,194.40

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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.