Home / 939,765.18-1,296,888.39-510,050.46

Finding the Fourth Proportional to 939,765.18, 1,296,888.39 and 510,050.46

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Solution

The fourth proportional to 939,765.18, 1,296,888.39 and 510,050.46 is: 703,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,765.18 : 1,296,888.39 = 510,050.46 : x
  2. Step 2: Convert to fraction form
    939,765.18/1,296,888.39 = 510,050.46/x
  3. Step 3: Cross multiply
    939,765.18x = 1,296,888.39 × 510,050.46
  4. Step 4: Simplify right side
    939,765.18x = 661,478,519,888.16
  5. Step 5: Solve for x
    x = 661,478,519,888.16/939,765.18
  6. Step 6: Final answer
    x = 703,876.39

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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.