Home / 953,433.48-1,315,188.55-571,238.83

Finding the Fourth Proportional to 953,433.48, 1,315,188.55 and 571,238.83

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Solution

The fourth proportional to 953,433.48, 1,315,188.55 and 571,238.83 is: 787,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,433.48 : 1,315,188.55 = 571,238.83 : x
  2. Step 2: Convert to fraction form
    953,433.48/1,315,188.55 = 571,238.83/x
  3. Step 3: Cross multiply
    953,433.48x = 1,315,188.55 × 571,238.83
  4. Step 4: Simplify right side
    953,433.48x = 751,286,767,676.21
  5. Step 5: Solve for x
    x = 751,286,767,676.21/953,433.48
  6. Step 6: Final answer
    x = 787,980.26

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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.