Home / 879,926.98-1,214,299.23-477,518.98

Finding the Fourth Proportional to 879,926.98, 1,214,299.23 and 477,518.98

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Solution

The fourth proportional to 879,926.98, 1,214,299.23 and 477,518.98 is: 658,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,926.98 : 1,214,299.23 = 477,518.98 : x
  2. Step 2: Convert to fraction form
    879,926.98/1,214,299.23 = 477,518.98/x
  3. Step 3: Cross multiply
    879,926.98x = 1,214,299.23 × 477,518.98
  4. Step 4: Simplify right side
    879,926.98x = 579,850,929,724.39
  5. Step 5: Solve for x
    x = 579,850,929,724.39/879,926.98
  6. Step 6: Final answer
    x = 658,976.19

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1.5x scale

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.