Home / 939,784.18-1,296,914.61-510,069.46

Finding the Fourth Proportional to 939,784.18, 1,296,914.61 and 510,069.46

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Solution

The fourth proportional to 939,784.18, 1,296,914.61 and 510,069.46 is: 703,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,784.18 : 1,296,914.61 = 510,069.46 : x
  2. Step 2: Convert to fraction form
    939,784.18/1,296,914.61 = 510,069.46/x
  3. Step 3: Cross multiply
    939,784.18x = 1,296,914.61 × 510,069.46
  4. Step 4: Simplify right side
    939,784.18x = 661,516,534,788.81
  5. Step 5: Solve for x
    x = 661,516,534,788.81/939,784.18
  6. Step 6: Final answer
    x = 703,902.61

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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.