Home / 939,776.51-1,296,892.14-510,056.64

Finding the Fourth Proportional to 939,776.51, 1,296,892.14 and 510,056.64

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Solution

The fourth proportional to 939,776.51, 1,296,892.14 and 510,056.64 is: 703,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,776.51 : 1,296,892.14 = 510,056.64 : x
  2. Step 2: Convert to fraction form
    939,776.51/1,296,892.14 = 510,056.64/x
  3. Step 3: Cross multiply
    939,776.51x = 1,296,892.14 × 510,056.64
  4. Step 4: Simplify right side
    939,776.51x = 661,488,447,370.81
  5. Step 5: Solve for x
    x = 661,488,447,370.81/939,776.51
  6. Step 6: Final answer
    x = 703,878.47

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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.