Home / 1,316,380.38-1,816,606.23-712,766.94

Finding the Fourth Proportional to 1,316,380.38, 1,816,606.23 and 712,766.94

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Solution

The fourth proportional to 1,316,380.38, 1,816,606.23 and 712,766.94 is: 983,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,380.38 : 1,816,606.23 = 712,766.94 : x
  2. Step 2: Convert to fraction form
    1,316,380.38/1,816,606.23 = 712,766.94/x
  3. Step 3: Cross multiply
    1,316,380.38x = 1,816,606.23 × 712,766.94
  4. Step 4: Simplify right side
    1,316,380.38x = 1,294,816,863,742.04
  5. Step 5: Solve for x
    x = 1,294,816,863,742.04/1,316,380.38
  6. Step 6: Final answer
    x = 983,619.08

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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.