Home / 698,512.60-1,046,892.16-298,683.08

Finding the Fourth Proportional to 698,512.60, 1,046,892.16 and 298,683.08

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Solution

The fourth proportional to 698,512.60, 1,046,892.16 and 298,683.08 is: 447,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,512.60 : 1,046,892.16 = 298,683.08 : x
  2. Step 2: Convert to fraction form
    698,512.60/1,046,892.16 = 298,683.08/x
  3. Step 3: Cross multiply
    698,512.60x = 1,046,892.16 × 298,683.08
  4. Step 4: Simplify right side
    698,512.60x = 312,688,974,776.65
  5. Step 5: Solve for x
    x = 312,688,974,776.65/698,512.60
  6. Step 6: Final answer
    x = 447,649.73

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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.