Home / 1,110,944.40-1,666,416.60-1,012,966.80

Finding the Fourth Proportional to 1,110,944.40, 1,666,416.60 and 1,012,966.80

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Solution

The fourth proportional to 1,110,944.40, 1,666,416.60 and 1,012,966.80 is: 1,519,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,944.40 : 1,666,416.60 = 1,012,966.80 : x
  2. Step 2: Convert to fraction form
    1,110,944.40/1,666,416.60 = 1,012,966.80/x
  3. Step 3: Cross multiply
    1,110,944.40x = 1,666,416.60 × 1,012,966.80
  4. Step 4: Simplify right side
    1,110,944.40x = 1,688,024,690,768.88
  5. Step 5: Solve for x
    x = 1,688,024,690,768.88/1,110,944.40
  6. Step 6: Final answer
    x = 1,519,450.20

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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.