Home / 864,165.40-1,296,248.10-805,116.40

Finding the Fourth Proportional to 864,165.40, 1,296,248.10 and 805,116.40

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Solution

The fourth proportional to 864,165.40, 1,296,248.10 and 805,116.40 is: 1,207,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,165.40 : 1,296,248.10 = 805,116.40 : x
  2. Step 2: Convert to fraction form
    864,165.40/1,296,248.10 = 805,116.40/x
  3. Step 3: Cross multiply
    864,165.40x = 1,296,248.10 × 805,116.40
  4. Step 4: Simplify right side
    864,165.40x = 1,043,630,603,778.84
  5. Step 5: Solve for x
    x = 1,043,630,603,778.84/864,165.40
  6. Step 6: Final answer
    x = 1,207,674.60

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Double scale
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Similar ratio
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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.