Home / 641,595.76-885,623.49-369,772.24

Finding the Fourth Proportional to 641,595.76, 885,623.49 and 369,772.24

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Solution

The fourth proportional to 641,595.76, 885,623.49 and 369,772.24 is: 510,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,595.76 : 885,623.49 = 369,772.24 : x
  2. Step 2: Convert to fraction form
    641,595.76/885,623.49 = 369,772.24/x
  3. Step 3: Cross multiply
    641,595.76x = 885,623.49 × 369,772.24
  4. Step 4: Simplify right side
    641,595.76x = 327,478,981,693.92
  5. Step 5: Solve for x
    x = 327,478,981,693.92/641,595.76
  6. Step 6: Final answer
    x = 510,413.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.