Home / 939,809.58-1,296,902.54-510,080.50

Finding the Fourth Proportional to 939,809.58, 1,296,902.54 and 510,080.50

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Solution

The fourth proportional to 939,809.58, 1,296,902.54 and 510,080.50 is: 703,892.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,809.58 : 1,296,902.54 = 510,080.50 : x
  2. Step 2: Convert to fraction form
    939,809.58/1,296,902.54 = 510,080.50/x
  3. Step 3: Cross multiply
    939,809.58x = 1,296,902.54 × 510,080.50
  4. Step 4: Simplify right side
    939,809.58x = 661,524,696,054.47
  5. Step 5: Solve for x
    x = 661,524,696,054.47/939,809.58
  6. Step 6: Final answer
    x = 703,892.27

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1.5x scale

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.