Home / 830,589.51-1,146,466.86-481,818.06

Finding the Fourth Proportional to 830,589.51, 1,146,466.86 and 481,818.06

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Solution

The fourth proportional to 830,589.51, 1,146,466.86 and 481,818.06 is: 665,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,589.51 : 1,146,466.86 = 481,818.06 : x
  2. Step 2: Convert to fraction form
    830,589.51/1,146,466.86 = 481,818.06/x
  3. Step 3: Cross multiply
    830,589.51x = 1,146,466.86 × 481,818.06
  4. Step 4: Simplify right side
    830,589.51x = 552,388,438,339.49
  5. Step 5: Solve for x
    x = 552,388,438,339.49/830,589.51
  6. Step 6: Final answer
    x = 665,055.88

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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.