Home / 689,092.08-1,032,585.44-289,514.40

Finding the Fourth Proportional to 689,092.08, 1,032,585.44 and 289,514.40

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Solution

The fourth proportional to 689,092.08, 1,032,585.44 and 289,514.40 is: 433,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,092.08 : 1,032,585.44 = 289,514.40 : x
  2. Step 2: Convert to fraction form
    689,092.08/1,032,585.44 = 289,514.40/x
  3. Step 3: Cross multiply
    689,092.08x = 1,032,585.44 × 289,514.40
  4. Step 4: Simplify right side
    689,092.08x = 298,948,354,110.34
  5. Step 5: Solve for x
    x = 298,948,354,110.34/689,092.08
  6. Step 6: Final answer
    x = 433,829.33

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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.