Home / 863,403.10-1,296,271.05-548,475.10

Finding the Fourth Proportional to 863,403.10, 1,296,271.05 and 548,475.10

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Solution

The fourth proportional to 863,403.10, 1,296,271.05 and 548,475.10 is: 823,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,403.10 : 1,296,271.05 = 548,475.10 : x
  2. Step 2: Convert to fraction form
    863,403.10/1,296,271.05 = 548,475.10/x
  3. Step 3: Cross multiply
    863,403.10x = 1,296,271.05 × 548,475.10
  4. Step 4: Simplify right side
    863,403.10x = 710,972,393,775.86
  5. Step 5: Solve for x
    x = 710,972,393,775.86/863,403.10
  6. Step 6: Final answer
    x = 823,453.60

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Double scale
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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.