Home / 849,417-1,171,931.53-481,833.60

Finding the Fourth Proportional to 849,417, 1,171,931.53 and 481,833.60

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Solution

The fourth proportional to 849,417, 1,171,931.53 and 481,833.60 is: 664,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,417 : 1,171,931.53 = 481,833.60 : x
  2. Step 2: Convert to fraction form
    849,417/1,171,931.53 = 481,833.60/x
  3. Step 3: Cross multiply
    849,417x = 1,171,931.53 × 481,833.60
  4. Step 4: Simplify right side
    849,417x = 564,675,985,644.24
  5. Step 5: Solve for x
    x = 564,675,985,644.24/849,417
  6. Step 6: Final answer
    x = 664,780.65

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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.