Home / 1,869,106.60-2,803,619.42-521,233.24

Finding the Fourth Proportional to 1,869,106.60, 2,803,619.42 and 521,233.24

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Solution

The fourth proportional to 1,869,106.60, 2,803,619.42 and 521,233.24 is: 781,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,106.60 : 2,803,619.42 = 521,233.24 : x
  2. Step 2: Convert to fraction form
    1,869,106.60/2,803,619.42 = 521,233.24/x
  3. Step 3: Cross multiply
    1,869,106.60x = 2,803,619.42 × 521,233.24
  4. Step 4: Simplify right side
    1,869,106.60x = 1,461,339,634,013.52
  5. Step 5: Solve for x
    x = 1,461,339,634,013.52/1,869,106.60
  6. Step 6: Final answer
    x = 781,838.57

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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.