Home / 698,118.42-1,046,208.66-318,110.46

Finding the Fourth Proportional to 698,118.42, 1,046,208.66 and 318,110.46

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Solution

The fourth proportional to 698,118.42, 1,046,208.66 and 318,110.46 is: 476,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,118.42 : 1,046,208.66 = 318,110.46 : x
  2. Step 2: Convert to fraction form
    698,118.42/1,046,208.66 = 318,110.46/x
  3. Step 3: Cross multiply
    698,118.42x = 1,046,208.66 × 318,110.46
  4. Step 4: Simplify right side
    698,118.42x = 332,809,918,088.58
  5. Step 5: Solve for x
    x = 332,809,918,088.58/698,118.42
  6. Step 6: Final answer
    x = 476,724.16

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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.