Home / 698,119.42-1,046,210.16-318,111.46

Finding the Fourth Proportional to 698,119.42, 1,046,210.16 and 318,111.46

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Solution

The fourth proportional to 698,119.42, 1,046,210.16 and 318,111.46 is: 476,725.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,119.42 : 1,046,210.16 = 318,111.46 : x
  2. Step 2: Convert to fraction form
    698,119.42/1,046,210.16 = 318,111.46/x
  3. Step 3: Cross multiply
    698,119.42x = 1,046,210.16 × 318,111.46
  4. Step 4: Simplify right side
    698,119.42x = 332,811,441,464.43
  5. Step 5: Solve for x
    x = 332,811,441,464.43/698,119.42
  6. Step 6: Final answer
    x = 476,725.66

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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.