Home / 1,816,711.81-2,724,977.11-679,390.39

Finding the Fourth Proportional to 1,816,711.81, 2,724,977.11 and 679,390.39

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Solution

The fourth proportional to 1,816,711.81, 2,724,977.11 and 679,390.39 is: 1,019,051.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,711.81 : 2,724,977.11 = 679,390.39 : x
  2. Step 2: Convert to fraction form
    1,816,711.81/2,724,977.11 = 679,390.39/x
  3. Step 3: Cross multiply
    1,816,711.81x = 2,724,977.11 × 679,390.39
  4. Step 4: Simplify right side
    1,816,711.81x = 1,851,323,261,503.97
  5. Step 5: Solve for x
    x = 1,851,323,261,503.97/1,816,711.81
  6. Step 6: Final answer
    x = 1,019,051.70

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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.