Home / 692,067.90-1,038,101.85-503,111.10

Finding the Fourth Proportional to 692,067.90, 1,038,101.85 and 503,111.10

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Solution

The fourth proportional to 692,067.90, 1,038,101.85 and 503,111.10 is: 754,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,067.90 : 1,038,101.85 = 503,111.10 : x
  2. Step 2: Convert to fraction form
    692,067.90/1,038,101.85 = 503,111.10/x
  3. Step 3: Cross multiply
    692,067.90x = 1,038,101.85 × 503,111.10
  4. Step 4: Simplify right side
    692,067.90x = 522,280,563,665.54
  5. Step 5: Solve for x
    x = 522,280,563,665.54/692,067.90
  6. Step 6: Final answer
    x = 754,666.65

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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.