Home / 698,899.92-1,048,341.48-492,886.32

Finding the Fourth Proportional to 698,899.92, 1,048,341.48 and 492,886.32

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Solution

The fourth proportional to 698,899.92, 1,048,341.48 and 492,886.32 is: 739,323.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,899.92 : 1,048,341.48 = 492,886.32 : x
  2. Step 2: Convert to fraction form
    698,899.92/1,048,341.48 = 492,886.32/x
  3. Step 3: Cross multiply
    698,899.92x = 1,048,341.48 × 492,886.32
  4. Step 4: Simplify right side
    698,899.92x = 516,713,174,180.55
  5. Step 5: Solve for x
    x = 516,713,174,180.55/698,899.92
  6. Step 6: Final answer
    x = 739,323.56

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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.