Home / 5,603,393.60-8,405,090.40-4,186,217.60

Finding the Fourth Proportional to 5,603,393.60, 8,405,090.40 and 4,186,217.60

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Solution

The fourth proportional to 5,603,393.60, 8,405,090.40 and 4,186,217.60 is: 6,279,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603,393.60 : 8,405,090.40 = 4,186,217.60 : x
  2. Step 2: Convert to fraction form
    5,603,393.60/8,405,090.40 = 4,186,217.60/x
  3. Step 3: Cross multiply
    5,603,393.60x = 8,405,090.40 × 4,186,217.60
  4. Step 4: Simplify right side
    5,603,393.60x = 35,185,537,362,071.04
  5. Step 5: Solve for x
    x = 35,185,537,362,071.04/5,603,393.60
  6. Step 6: Final answer
    x = 6,279,326.40

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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.