Home / 698,900.92-1,048,342.98-492,887.32

Finding the Fourth Proportional to 698,900.92, 1,048,342.98 and 492,887.32

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Solution

The fourth proportional to 698,900.92, 1,048,342.98 and 492,887.32 is: 739,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,900.92 : 1,048,342.98 = 492,887.32 : x
  2. Step 2: Convert to fraction form
    698,900.92/1,048,342.98 = 492,887.32/x
  3. Step 3: Cross multiply
    698,900.92x = 1,048,342.98 × 492,887.32
  4. Step 4: Simplify right side
    698,900.92x = 516,714,961,853.01
  5. Step 5: Solve for x
    x = 516,714,961,853.01/698,900.92
  6. Step 6: Final answer
    x = 739,325.06

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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.