Home / 1,705,518.45-2,353,347.34-980,226.11

Finding the Fourth Proportional to 1,705,518.45, 2,353,347.34 and 980,226.11

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Solution

The fourth proportional to 1,705,518.45, 2,353,347.34 and 980,226.11 is: 1,352,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,518.45 : 2,353,347.34 = 980,226.11 : x
  2. Step 2: Convert to fraction form
    1,705,518.45/2,353,347.34 = 980,226.11/x
  3. Step 3: Cross multiply
    1,705,518.45x = 2,353,347.34 × 980,226.11
  4. Step 4: Simplify right side
    1,705,518.45x = 2,306,812,511,999.85
  5. Step 5: Solve for x
    x = 2,306,812,511,999.85/1,705,518.45
  6. Step 6: Final answer
    x = 1,352,557.93

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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.