Home / 1,500,895.44-2,071,239.12-812,574.54

Finding the Fourth Proportional to 1,500,895.44, 2,071,239.12 and 812,574.54

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Solution

The fourth proportional to 1,500,895.44, 2,071,239.12 and 812,574.54 is: 1,121,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,895.44 : 2,071,239.12 = 812,574.54 : x
  2. Step 2: Convert to fraction form
    1,500,895.44/2,071,239.12 = 812,574.54/x
  3. Step 3: Cross multiply
    1,500,895.44x = 2,071,239.12 × 812,574.54
  4. Step 4: Simplify right side
    1,500,895.44x = 1,683,036,175,164.01
  5. Step 5: Solve for x
    x = 1,683,036,175,164.01/1,500,895.44
  6. Step 6: Final answer
    x = 1,121,354.71

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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.