Home / 1,621,999.02-2,238,268.28-896,803.16

Finding the Fourth Proportional to 1,621,999.02, 2,238,268.28 and 896,803.16

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Solution

The fourth proportional to 1,621,999.02, 2,238,268.28 and 896,803.16 is: 1,237,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,999.02 : 2,238,268.28 = 896,803.16 : x
  2. Step 2: Convert to fraction form
    1,621,999.02/2,238,268.28 = 896,803.16/x
  3. Step 3: Cross multiply
    1,621,999.02x = 2,238,268.28 × 896,803.16
  4. Step 4: Simplify right side
    1,621,999.02x = 2,007,286,066,431.76
  5. Step 5: Solve for x
    x = 2,007,286,066,431.76/1,621,999.02
  6. Step 6: Final answer
    x = 1,237,538.40

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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.