Home / 429,720.19-592,607.38-282,284.75

Finding the Fourth Proportional to 429,720.19, 592,607.38 and 282,284.75

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Solution

The fourth proportional to 429,720.19, 592,607.38 and 282,284.75 is: 389,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,720.19 : 592,607.38 = 282,284.75 : x
  2. Step 2: Convert to fraction form
    429,720.19/592,607.38 = 282,284.75/x
  3. Step 3: Cross multiply
    429,720.19x = 592,607.38 × 282,284.75
  4. Step 4: Simplify right side
    429,720.19x = 167,284,028,820.35
  5. Step 5: Solve for x
    x = 167,284,028,820.35/429,720.19
  6. Step 6: Final answer
    x = 389,285.94

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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.