Home / 405,290.64-607,022.24-195,085.92

Finding the Fourth Proportional to 405,290.64, 607,022.24 and 195,085.92

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Solution

The fourth proportional to 405,290.64, 607,022.24 and 195,085.92 is: 292,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,290.64 : 607,022.24 = 195,085.92 : x
  2. Step 2: Convert to fraction form
    405,290.64/607,022.24 = 195,085.92/x
  3. Step 3: Cross multiply
    405,290.64x = 607,022.24 × 195,085.92
  4. Step 4: Simplify right side
    405,290.64x = 118,421,492,150.86
  5. Step 5: Solve for x
    x = 118,421,492,150.86/405,290.64
  6. Step 6: Final answer
    x = 292,189.06

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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.