Home / 698,909.70-1,048,365.96-193,472.12

Finding the Fourth Proportional to 698,909.70, 1,048,365.96 and 193,472.12

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Solution

The fourth proportional to 698,909.70, 1,048,365.96 and 193,472.12 is: 290,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,909.70 : 1,048,365.96 = 193,472.12 : x
  2. Step 2: Convert to fraction form
    698,909.70/1,048,365.96 = 193,472.12/x
  3. Step 3: Cross multiply
    698,909.70x = 1,048,365.96 × 193,472.12
  4. Step 4: Simplify right side
    698,909.70x = 202,829,584,817.04
  5. Step 5: Solve for x
    x = 202,829,584,817.04/698,909.70
  6. Step 6: Final answer
    x = 290,208.57

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Double scale
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1.5x scale

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.