Home / 939,617.01-1,296,674.88-509,897.04

Finding the Fourth Proportional to 939,617.01, 1,296,674.88 and 509,897.04

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Solution

The fourth proportional to 939,617.01, 1,296,674.88 and 509,897.04 is: 703,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,617.01 : 1,296,674.88 = 509,897.04 : x
  2. Step 2: Convert to fraction form
    939,617.01/1,296,674.88 = 509,897.04/x
  3. Step 3: Cross multiply
    939,617.01x = 1,296,674.88 × 509,897.04
  4. Step 4: Simplify right side
    939,617.01x = 661,170,683,154.36
  5. Step 5: Solve for x
    x = 661,170,683,154.36/939,617.01
  6. Step 6: Final answer
    x = 703,659.76

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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.