Home / 414,531.02-621,045.65-190,079.21

Finding the Fourth Proportional to 414,531.02, 621,045.65 and 190,079.21

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Solution

The fourth proportional to 414,531.02, 621,045.65 and 190,079.21 is: 284,774.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,531.02 : 621,045.65 = 190,079.21 : x
  2. Step 2: Convert to fraction form
    414,531.02/621,045.65 = 190,079.21/x
  3. Step 3: Cross multiply
    414,531.02x = 621,045.65 × 190,079.21
  4. Step 4: Simplify right side
    414,531.02x = 118,047,862,470.31
  5. Step 5: Solve for x
    x = 118,047,862,470.31/414,531.02
  6. Step 6: Final answer
    x = 284,774.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.