Home / 1,686,024.02-2,326,708.04-911,649.45

Finding the Fourth Proportional to 1,686,024.02, 2,326,708.04 and 911,649.45

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Solution

The fourth proportional to 1,686,024.02, 2,326,708.04 and 911,649.45 is: 1,258,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,024.02 : 2,326,708.04 = 911,649.45 : x
  2. Step 2: Convert to fraction form
    1,686,024.02/2,326,708.04 = 911,649.45/x
  3. Step 3: Cross multiply
    1,686,024.02x = 2,326,708.04 × 911,649.45
  4. Step 4: Simplify right side
    1,686,024.02x = 2,121,142,100,418.33
  5. Step 5: Solve for x
    x = 2,121,142,100,418.33/1,686,024.02
  6. Step 6: Final answer
    x = 1,258,073.48

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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.