Home / 1,210,197.54-1,670,058.84-666,322.20

Finding the Fourth Proportional to 1,210,197.54, 1,670,058.84 and 666,322.20

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Solution

The fourth proportional to 1,210,197.54, 1,670,058.84 and 666,322.20 is: 919,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,197.54 : 1,670,058.84 = 666,322.20 : x
  2. Step 2: Convert to fraction form
    1,210,197.54/1,670,058.84 = 666,322.20/x
  3. Step 3: Cross multiply
    1,210,197.54x = 1,670,058.84 × 666,322.20
  4. Step 4: Simplify right side
    1,210,197.54x = 1,112,797,280,398.25
  5. Step 5: Solve for x
    x = 1,112,797,280,398.25/1,210,197.54
  6. Step 6: Final answer
    x = 919,517.06

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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.