Home / 1,869,106.56-2,803,619.40-521,233.26

Finding the Fourth Proportional to 1,869,106.56, 2,803,619.40 and 521,233.26

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Solution

The fourth proportional to 1,869,106.56, 2,803,619.40 and 521,233.26 is: 781,838.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,106.56 : 2,803,619.40 = 521,233.26 : x
  2. Step 2: Convert to fraction form
    1,869,106.56/2,803,619.40 = 521,233.26/x
  3. Step 3: Cross multiply
    1,869,106.56x = 2,803,619.40 × 521,233.26
  4. Step 4: Simplify right side
    1,869,106.56x = 1,461,339,679,661.24
  5. Step 5: Solve for x
    x = 1,461,339,679,661.24/1,869,106.56
  6. Step 6: Final answer
    x = 781,838.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.