Home / 499,623.19-689,421.98-295,683.01

Finding the Fourth Proportional to 499,623.19, 689,421.98 and 295,683.01

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Solution

The fourth proportional to 499,623.19, 689,421.98 and 295,683.01 is: 408,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,623.19 : 689,421.98 = 295,683.01 : x
  2. Step 2: Convert to fraction form
    499,623.19/689,421.98 = 295,683.01/x
  3. Step 3: Cross multiply
    499,623.19x = 689,421.98 × 295,683.01
  4. Step 4: Simplify right side
    499,623.19x = 203,850,365,222.21
  5. Step 5: Solve for x
    x = 203,850,365,222.21/499,623.19
  6. Step 6: Final answer
    x = 408,008.22

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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.