Home / 1,115,088.02-1,538,840.16-605,790.80

Finding the Fourth Proportional to 1,115,088.02, 1,538,840.16 and 605,790.80

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Solution

The fourth proportional to 1,115,088.02, 1,538,840.16 and 605,790.80 is: 836,001.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,088.02 : 1,538,840.16 = 605,790.80 : x
  2. Step 2: Convert to fraction form
    1,115,088.02/1,538,840.16 = 605,790.80/x
  3. Step 3: Cross multiply
    1,115,088.02x = 1,538,840.16 × 605,790.80
  4. Step 4: Simplify right side
    1,115,088.02x = 932,215,211,598.53
  5. Step 5: Solve for x
    x = 932,215,211,598.53/1,115,088.02
  6. Step 6: Final answer
    x = 836,001.46

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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.