Home / 405,554.34-608,509.32-192,476.13

Finding the Fourth Proportional to 405,554.34, 608,509.32 and 192,476.13

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Solution

The fourth proportional to 405,554.34, 608,509.32 and 192,476.13 is: 288,798.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,554.34 : 608,509.32 = 192,476.13 : x
  2. Step 2: Convert to fraction form
    405,554.34/608,509.32 = 192,476.13/x
  3. Step 3: Cross multiply
    405,554.34x = 608,509.32 × 192,476.13
  4. Step 4: Simplify right side
    405,554.34x = 117,123,518,982.53
  5. Step 5: Solve for x
    x = 117,123,518,982.53/405,554.34
  6. Step 6: Final answer
    x = 288,798.58

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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.