Home / 863,443.40-1,295,165.10-546,960.20

Finding the Fourth Proportional to 863,443.40, 1,295,165.10 and 546,960.20

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Solution

The fourth proportional to 863,443.40, 1,295,165.10 and 546,960.20 is: 820,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,443.40 : 1,295,165.10 = 546,960.20 : x
  2. Step 2: Convert to fraction form
    863,443.40/1,295,165.10 = 546,960.20/x
  3. Step 3: Cross multiply
    863,443.40x = 1,295,165.10 × 546,960.20
  4. Step 4: Simplify right side
    863,443.40x = 708,403,762,129.02
  5. Step 5: Solve for x
    x = 708,403,762,129.02/863,443.40
  6. Step 6: Final answer
    x = 820,440.30

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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.