Home / 889,570.04-1,227,606.52-481,671.86

Finding the Fourth Proportional to 889,570.04, 1,227,606.52 and 481,671.86

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Solution

The fourth proportional to 889,570.04, 1,227,606.52 and 481,671.86 is: 664,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,570.04 : 1,227,606.52 = 481,671.86 : x
  2. Step 2: Convert to fraction form
    889,570.04/1,227,606.52 = 481,671.86/x
  3. Step 3: Cross multiply
    889,570.04x = 1,227,606.52 × 481,671.86
  4. Step 4: Simplify right side
    889,570.04x = 591,303,513,428.17
  5. Step 5: Solve for x
    x = 591,303,513,428.17/889,570.04
  6. Step 6: Final answer
    x = 664,707.09

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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.