Home / 1,686,836.16-2,529,856.80-621,299.52

Finding the Fourth Proportional to 1,686,836.16, 2,529,856.80 and 621,299.52

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Solution

The fourth proportional to 1,686,836.16, 2,529,856.80 and 621,299.52 is: 931,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,836.16 : 2,529,856.80 = 621,299.52 : x
  2. Step 2: Convert to fraction form
    1,686,836.16/2,529,856.80 = 621,299.52/x
  3. Step 3: Cross multiply
    1,686,836.16x = 2,529,856.80 × 621,299.52
  4. Step 4: Simplify right side
    1,686,836.16x = 1,571,798,815,508.74
  5. Step 5: Solve for x
    x = 1,571,798,815,508.74/1,686,836.16
  6. Step 6: Final answer
    x = 931,802.89

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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.