Home / 692,001.69-1,038,465.82-287,194.23

Finding the Fourth Proportional to 692,001.69, 1,038,465.82 and 287,194.23

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Solution

The fourth proportional to 692,001.69, 1,038,465.82 and 287,194.23 is: 430,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,001.69 : 1,038,465.82 = 287,194.23 : x
  2. Step 2: Convert to fraction form
    692,001.69/1,038,465.82 = 287,194.23/x
  3. Step 3: Cross multiply
    692,001.69x = 1,038,465.82 × 287,194.23
  4. Step 4: Simplify right side
    692,001.69x = 298,241,391,556.22
  5. Step 5: Solve for x
    x = 298,241,391,556.22/692,001.69
  6. Step 6: Final answer
    x = 430,983.62

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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.