Home / 1,674,999.40-2,512,499.10-664,362.40

Finding the Fourth Proportional to 1,674,999.40, 2,512,499.10 and 664,362.40

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Solution

The fourth proportional to 1,674,999.40, 2,512,499.10 and 664,362.40 is: 996,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,674,999.40 : 2,512,499.10 = 664,362.40 : x
  2. Step 2: Convert to fraction form
    1,674,999.40/2,512,499.10 = 664,362.40/x
  3. Step 3: Cross multiply
    1,674,999.40x = 2,512,499.10 × 664,362.40
  4. Step 4: Simplify right side
    1,674,999.40x = 1,669,209,932,073.84
  5. Step 5: Solve for x
    x = 1,669,209,932,073.84/1,674,999.40
  6. Step 6: Final answer
    x = 996,543.60

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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.