Home / 1,686,685.02-2,329,043.67-1,204,728.54

Finding the Fourth Proportional to 1,686,685.02, 2,329,043.67 and 1,204,728.54

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Solution

The fourth proportional to 1,686,685.02, 2,329,043.67 and 1,204,728.54 is: 1,663,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,685.02 : 2,329,043.67 = 1,204,728.54 : x
  2. Step 2: Convert to fraction form
    1,686,685.02/2,329,043.67 = 1,204,728.54/x
  3. Step 3: Cross multiply
    1,686,685.02x = 2,329,043.67 × 1,204,728.54
  4. Step 4: Simplify right side
    1,686,685.02x = 2,805,865,380,155.34
  5. Step 5: Solve for x
    x = 2,805,865,380,155.34/1,686,685.02
  6. Step 6: Final answer
    x = 1,663,538.45

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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.