Home / 936,885.80-1,405,984.80-404,788.70

Finding the Fourth Proportional to 936,885.80, 1,405,984.80 and 404,788.70

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Solution

The fourth proportional to 936,885.80, 1,405,984.80 and 404,788.70 is: 607,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,885.80 : 1,405,984.80 = 404,788.70 : x
  2. Step 2: Convert to fraction form
    936,885.80/1,405,984.80 = 404,788.70/x
  3. Step 3: Cross multiply
    936,885.80x = 1,405,984.80 × 404,788.70
  4. Step 4: Simplify right side
    936,885.80x = 569,126,759,411.76
  5. Step 5: Solve for x
    x = 569,126,759,411.76/936,885.80
  6. Step 6: Final answer
    x = 607,466.52

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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.