Home / 763,782.64-1,054,053.40-424,250.89

Finding the Fourth Proportional to 763,782.64, 1,054,053.40 and 424,250.89

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Solution

The fourth proportional to 763,782.64, 1,054,053.40 and 424,250.89 is: 585,484.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,782.64 : 1,054,053.40 = 424,250.89 : x
  2. Step 2: Convert to fraction form
    763,782.64/1,054,053.40 = 424,250.89/x
  3. Step 3: Cross multiply
    763,782.64x = 1,054,053.40 × 424,250.89
  4. Step 4: Simplify right side
    763,782.64x = 447,183,093,057.53
  5. Step 5: Solve for x
    x = 447,183,093,057.53/763,782.64
  6. Step 6: Final answer
    x = 585,484.76

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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.