Home / 946,629.18-1,306,516.64-559,428.12

Finding the Fourth Proportional to 946,629.18, 1,306,516.64 and 559,428.12

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Solution

The fourth proportional to 946,629.18, 1,306,516.64 and 559,428.12 is: 772,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,629.18 : 1,306,516.64 = 559,428.12 : x
  2. Step 2: Convert to fraction form
    946,629.18/1,306,516.64 = 559,428.12/x
  3. Step 3: Cross multiply
    946,629.18x = 1,306,516.64 × 559,428.12
  4. Step 4: Simplify right side
    946,629.18x = 730,902,144,866.78
  5. Step 5: Solve for x
    x = 730,902,144,866.78/946,629.18
  6. Step 6: Final answer
    x = 772,110.30

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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.