Home / 946,410.47-1,305,985.64-516,689.67

Finding the Fourth Proportional to 946,410.47, 1,305,985.64 and 516,689.67

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Solution

The fourth proportional to 946,410.47, 1,305,985.64 and 516,689.67 is: 712,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,410.47 : 1,305,985.64 = 516,689.67 : x
  2. Step 2: Convert to fraction form
    946,410.47/1,305,985.64 = 516,689.67/x
  3. Step 3: Cross multiply
    946,410.47x = 1,305,985.64 × 516,689.67
  4. Step 4: Simplify right side
    946,410.47x = 674,789,289,356.34
  5. Step 5: Solve for x
    x = 674,789,289,356.34/946,410.47
  6. Step 6: Final answer
    x = 712,998.55

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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.