Home / 942,345-1,413,971.10-469,071.72

Finding the Fourth Proportional to 942,345, 1,413,971.10 and 469,071.72

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Solution

The fourth proportional to 942,345, 1,413,971.10 and 469,071.72 is: 703,833.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,345 : 1,413,971.10 = 469,071.72 : x
  2. Step 2: Convert to fraction form
    942,345/1,413,971.10 = 469,071.72/x
  3. Step 3: Cross multiply
    942,345x = 1,413,971.10 × 469,071.72
  4. Step 4: Simplify right side
    942,345x = 663,253,855,907.29
  5. Step 5: Solve for x
    x = 663,253,855,907.29/942,345
  6. Step 6: Final answer
    x = 703,833.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.