Home / 929,552.40-1,394,328.60-778,977.45

Finding the Fourth Proportional to 929,552.40, 1,394,328.60 and 778,977.45

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Solution

The fourth proportional to 929,552.40, 1,394,328.60 and 778,977.45 is: 1,168,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,552.40 : 1,394,328.60 = 778,977.45 : x
  2. Step 2: Convert to fraction form
    929,552.40/1,394,328.60 = 778,977.45/x
  3. Step 3: Cross multiply
    929,552.40x = 1,394,328.60 × 778,977.45
  4. Step 4: Simplify right side
    929,552.40x = 1,086,150,537,290.07
  5. Step 5: Solve for x
    x = 1,086,150,537,290.07/929,552.40
  6. Step 6: Final answer
    x = 1,168,466.18

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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.