Home / 889,541.32-1,227,567.60-481,643.45

Finding the Fourth Proportional to 889,541.32, 1,227,567.60 and 481,643.45

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Solution

The fourth proportional to 889,541.32, 1,227,567.60 and 481,643.45 is: 664,668.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,541.32 : 1,227,567.60 = 481,643.45 : x
  2. Step 2: Convert to fraction form
    889,541.32/1,227,567.60 = 481,643.45/x
  3. Step 3: Cross multiply
    889,541.32x = 1,227,567.60 × 481,643.45
  4. Step 4: Simplify right side
    889,541.32x = 591,249,893,972.22
  5. Step 5: Solve for x
    x = 591,249,893,972.22/889,541.32
  6. Step 6: Final answer
    x = 664,668.27

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1.5x scale

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.