Home / 692,004.30-1,038,006.45-193,368.30

Finding the Fourth Proportional to 692,004.30, 1,038,006.45 and 193,368.30

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Solution

The fourth proportional to 692,004.30, 1,038,006.45 and 193,368.30 is: 290,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,004.30 : 1,038,006.45 = 193,368.30 : x
  2. Step 2: Convert to fraction form
    692,004.30/1,038,006.45 = 193,368.30/x
  3. Step 3: Cross multiply
    692,004.30x = 1,038,006.45 × 193,368.30
  4. Step 4: Simplify right side
    692,004.30x = 200,717,542,625.54
  5. Step 5: Solve for x
    x = 200,717,542,625.54/692,004.30
  6. Step 6: Final answer
    x = 290,052.45

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Double scale
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Similar ratio
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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.