Home / 939,801.66-1,296,927.55-510,081.67

Finding the Fourth Proportional to 939,801.66, 1,296,927.55 and 510,081.67

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Solution

The fourth proportional to 939,801.66, 1,296,927.55 and 510,081.67 is: 703,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,801.66 : 1,296,927.55 = 510,081.67 : x
  2. Step 2: Convert to fraction form
    939,801.66/1,296,927.55 = 510,081.67/x
  3. Step 3: Cross multiply
    939,801.66x = 1,296,927.55 × 510,081.67
  4. Step 4: Simplify right side
    939,801.66x = 661,538,970,573.01
  5. Step 5: Solve for x
    x = 661,538,970,573.01/939,801.66
  6. Step 6: Final answer
    x = 703,913.39

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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.