Home / 1,656,378.02-2,285,825.16-931,185.23

Finding the Fourth Proportional to 1,656,378.02, 2,285,825.16 and 931,185.23

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Solution

The fourth proportional to 1,656,378.02, 2,285,825.16 and 931,185.23 is: 1,285,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,378.02 : 2,285,825.16 = 931,185.23 : x
  2. Step 2: Convert to fraction form
    1,656,378.02/2,285,825.16 = 931,185.23/x
  3. Step 3: Cross multiply
    1,656,378.02x = 2,285,825.16 × 931,185.23
  4. Step 4: Simplify right side
    1,656,378.02x = 2,128,526,627,354.39
  5. Step 5: Solve for x
    x = 2,128,526,627,354.39/1,656,378.02
  6. Step 6: Final answer
    x = 1,285,048.82

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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.