Home / 939,767.34-1,296,880.19-510,047.47

Finding the Fourth Proportional to 939,767.34, 1,296,880.19 and 510,047.47

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Solution

The fourth proportional to 939,767.34, 1,296,880.19 and 510,047.47 is: 703,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,767.34 : 1,296,880.19 = 510,047.47 : x
  2. Step 2: Convert to fraction form
    939,767.34/1,296,880.19 = 510,047.47/x
  3. Step 3: Cross multiply
    939,767.34x = 1,296,880.19 × 510,047.47
  4. Step 4: Simplify right side
    939,767.34x = 661,470,459,802.62
  5. Step 5: Solve for x
    x = 661,470,459,802.62/939,767.34
  6. Step 6: Final answer
    x = 703,866.19

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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.