Home / 433,981.51-598,756.09-281,136.87

Finding the Fourth Proportional to 433,981.51, 598,756.09 and 281,136.87

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Solution

The fourth proportional to 433,981.51, 598,756.09 and 281,136.87 is: 387,879.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,981.51 : 598,756.09 = 281,136.87 : x
  2. Step 2: Convert to fraction form
    433,981.51/598,756.09 = 281,136.87/x
  3. Step 3: Cross multiply
    433,981.51x = 598,756.09 × 281,136.87
  4. Step 4: Simplify right side
    433,981.51x = 168,332,413,036.04
  5. Step 5: Solve for x
    x = 168,332,413,036.04/433,981.51
  6. Step 6: Final answer
    x = 387,879.23

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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.