Home / 1,142,198.49-1,576,235.61-625,870.32

Finding the Fourth Proportional to 1,142,198.49, 1,576,235.61 and 625,870.32

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Solution

The fourth proportional to 1,142,198.49, 1,576,235.61 and 625,870.32 is: 863,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,198.49 : 1,576,235.61 = 625,870.32 : x
  2. Step 2: Convert to fraction form
    1,142,198.49/1,576,235.61 = 625,870.32/x
  3. Step 3: Cross multiply
    1,142,198.49x = 1,576,235.61 × 625,870.32
  4. Step 4: Simplify right side
    1,142,198.49x = 986,519,085,626.10
  5. Step 5: Solve for x
    x = 986,519,085,626.10/1,142,198.49
  6. Step 6: Final answer
    x = 863,701.97

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Double scale
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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.