Home / 623,945.18-936,021.23-219,032.38

Finding the Fourth Proportional to 623,945.18, 936,021.23 and 219,032.38

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Solution

The fourth proportional to 623,945.18, 936,021.23 and 219,032.38 is: 328,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,945.18 : 936,021.23 = 219,032.38 : x
  2. Step 2: Convert to fraction form
    623,945.18/936,021.23 = 219,032.38/x
  3. Step 3: Cross multiply
    623,945.18x = 936,021.23 × 219,032.38
  4. Step 4: Simplify right side
    623,945.18x = 205,018,956,642.27
  5. Step 5: Solve for x
    x = 205,018,956,642.27/623,945.18
  6. Step 6: Final answer
    x = 328,584.89

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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.