Home / 1,828,140.81-2,740,531.86-629,778.21

Finding the Fourth Proportional to 1,828,140.81, 2,740,531.86 and 629,778.21

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Solution

The fourth proportional to 1,828,140.81, 2,740,531.86 and 629,778.21 is: 944,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,140.81 : 2,740,531.86 = 629,778.21 : x
  2. Step 2: Convert to fraction form
    1,828,140.81/2,740,531.86 = 629,778.21/x
  3. Step 3: Cross multiply
    1,828,140.81x = 2,740,531.86 × 629,778.21
  4. Step 4: Simplify right side
    1,828,140.81x = 1,725,927,249,238.77
  5. Step 5: Solve for x
    x = 1,725,927,249,238.77/1,828,140.81
  6. Step 6: Final answer
    x = 944,088.79

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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.