Home / 953,366.72-1,315,679.64-523,686.56

Finding the Fourth Proportional to 953,366.72, 1,315,679.64 and 523,686.56

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Solution

The fourth proportional to 953,366.72, 1,315,679.64 and 523,686.56 is: 722,705.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,366.72 : 1,315,679.64 = 523,686.56 : x
  2. Step 2: Convert to fraction form
    953,366.72/1,315,679.64 = 523,686.56/x
  3. Step 3: Cross multiply
    953,366.72x = 1,315,679.64 × 523,686.56
  4. Step 4: Simplify right side
    953,366.72x = 689,003,744,733.64
  5. Step 5: Solve for x
    x = 689,003,744,733.64/953,366.72
  6. Step 6: Final answer
    x = 722,705.89

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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.