Home / 1,396,925.59-1,928,283.96-816,337.23

Finding the Fourth Proportional to 1,396,925.59, 1,928,283.96 and 816,337.23

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Solution

The fourth proportional to 1,396,925.59, 1,928,283.96 and 816,337.23 is: 1,126,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,925.59 : 1,928,283.96 = 816,337.23 : x
  2. Step 2: Convert to fraction form
    1,396,925.59/1,928,283.96 = 816,337.23/x
  3. Step 3: Cross multiply
    1,396,925.59x = 1,928,283.96 × 816,337.23
  4. Step 4: Simplify right side
    1,396,925.59x = 1,574,129,986,559.83
  5. Step 5: Solve for x
    x = 1,574,129,986,559.83/1,396,925.59
  6. Step 6: Final answer
    x = 1,126,853.14

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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.