Home / 939,811.66-1,296,905.40-510,082.56

Finding the Fourth Proportional to 939,811.66, 1,296,905.40 and 510,082.56

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Solution

The fourth proportional to 939,811.66, 1,296,905.40 and 510,082.56 is: 703,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,811.66 : 1,296,905.40 = 510,082.56 : x
  2. Step 2: Convert to fraction form
    939,811.66/1,296,905.40 = 510,082.56/x
  3. Step 3: Cross multiply
    939,811.66x = 1,296,905.40 × 510,082.56
  4. Step 4: Simplify right side
    939,811.66x = 661,528,826,509.82
  5. Step 5: Solve for x
    x = 661,528,826,509.82/939,811.66
  6. Step 6: Final answer
    x = 703,895.10

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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.