Home / 1,412,068.60-2,116,790.70-985,603.60

Finding the Fourth Proportional to 1,412,068.60, 2,116,790.70 and 985,603.60

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Solution

The fourth proportional to 1,412,068.60, 2,116,790.70 and 985,603.60 is: 1,477,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,068.60 : 2,116,790.70 = 985,603.60 : x
  2. Step 2: Convert to fraction form
    1,412,068.60/2,116,790.70 = 985,603.60/x
  3. Step 3: Cross multiply
    1,412,068.60x = 2,116,790.70 × 985,603.60
  4. Step 4: Simplify right side
    1,412,068.60x = 2,086,316,534,366.52
  5. Step 5: Solve for x
    x = 2,086,316,534,366.52/1,412,068.60
  6. Step 6: Final answer
    x = 1,477,489.50

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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.