Home / 534,780.30-802,386.45-235,317.90

Finding the Fourth Proportional to 534,780.30, 802,386.45 and 235,317.90

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Solution

The fourth proportional to 534,780.30, 802,386.45 and 235,317.90 is: 353,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,780.30 : 802,386.45 = 235,317.90 : x
  2. Step 2: Convert to fraction form
    534,780.30/802,386.45 = 235,317.90/x
  3. Step 3: Cross multiply
    534,780.30x = 802,386.45 × 235,317.90
  4. Step 4: Simplify right side
    534,780.30x = 188,815,894,402.46
  5. Step 5: Solve for x
    x = 188,815,894,402.46/534,780.30
  6. Step 6: Final answer
    x = 353,071.90

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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.