Home / 977,180.40-1,466,116.20-942,620.40

Finding the Fourth Proportional to 977,180.40, 1,466,116.20 and 942,620.40

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Solution

The fourth proportional to 977,180.40, 1,466,116.20 and 942,620.40 is: 1,414,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,180.40 : 1,466,116.20 = 942,620.40 : x
  2. Step 2: Convert to fraction form
    977,180.40/1,466,116.20 = 942,620.40/x
  3. Step 3: Cross multiply
    977,180.40x = 1,466,116.20 × 942,620.40
  4. Step 4: Simplify right side
    977,180.40x = 1,381,991,038,890.48
  5. Step 5: Solve for x
    x = 1,381,991,038,890.48/977,180.40
  6. Step 6: Final answer
    x = 1,414,263.98

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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.