Home / 863,931.90-1,296,051.60-295,376.16

Finding the Fourth Proportional to 863,931.90, 1,296,051.60 and 295,376.16

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Solution

The fourth proportional to 863,931.90, 1,296,051.60 and 295,376.16 is: 443,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,931.90 : 1,296,051.60 = 295,376.16 : x
  2. Step 2: Convert to fraction form
    863,931.90/1,296,051.60 = 295,376.16/x
  3. Step 3: Cross multiply
    863,931.90x = 1,296,051.60 × 295,376.16
  4. Step 4: Simplify right side
    863,931.90x = 382,822,744,769.86
  5. Step 5: Solve for x
    x = 382,822,744,769.86/863,931.90
  6. Step 6: Final answer
    x = 443,116.81

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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.