Home / 811,096.20-1,119,320.01-448,544.45

Finding the Fourth Proportional to 811,096.20, 1,119,320.01 and 448,544.45

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Solution

The fourth proportional to 811,096.20, 1,119,320.01 and 448,544.45 is: 618,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,096.20 : 1,119,320.01 = 448,544.45 : x
  2. Step 2: Convert to fraction form
    811,096.20/1,119,320.01 = 448,544.45/x
  3. Step 3: Cross multiply
    811,096.20x = 1,119,320.01 × 448,544.45
  4. Step 4: Simplify right side
    811,096.20x = 502,064,776,016.72
  5. Step 5: Solve for x
    x = 502,064,776,016.72/811,096.20
  6. Step 6: Final answer
    x = 618,995.35

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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.