Home / 939,623.01-1,296,683.16-509,903.04

Finding the Fourth Proportional to 939,623.01, 1,296,683.16 and 509,903.04

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Solution

The fourth proportional to 939,623.01, 1,296,683.16 and 509,903.04 is: 703,668.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,623.01 : 1,296,683.16 = 509,903.04 : x
  2. Step 2: Convert to fraction form
    939,623.01/1,296,683.16 = 509,903.04/x
  3. Step 3: Cross multiply
    939,623.01x = 1,296,683.16 × 509,903.04
  4. Step 4: Simplify right side
    939,623.01x = 661,182,685,200.81
  5. Step 5: Solve for x
    x = 661,182,685,200.81/939,623.01
  6. Step 6: Final answer
    x = 703,668.04

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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.