Home / 698,318.52-1,047,457.05-192,909.90

Finding the Fourth Proportional to 698,318.52, 1,047,457.05 and 192,909.90

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Solution

The fourth proportional to 698,318.52, 1,047,457.05 and 192,909.90 is: 289,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,318.52 : 1,047,457.05 = 192,909.90 : x
  2. Step 2: Convert to fraction form
    698,318.52/1,047,457.05 = 192,909.90/x
  3. Step 3: Cross multiply
    698,318.52x = 1,047,457.05 × 192,909.90
  4. Step 4: Simplify right side
    698,318.52x = 202,064,834,769.80
  5. Step 5: Solve for x
    x = 202,064,834,769.80/698,318.52
  6. Step 6: Final answer
    x = 289,359.12

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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.