Home / 909,435.15-1,363,603.26-362,411.70

Finding the Fourth Proportional to 909,435.15, 1,363,603.26 and 362,411.70

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Solution

The fourth proportional to 909,435.15, 1,363,603.26 and 362,411.70 is: 543,398.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,435.15 : 1,363,603.26 = 362,411.70 : x
  2. Step 2: Convert to fraction form
    909,435.15/1,363,603.26 = 362,411.70/x
  3. Step 3: Cross multiply
    909,435.15x = 1,363,603.26 × 362,411.70
  4. Step 4: Simplify right side
    909,435.15x = 494,185,775,582.14
  5. Step 5: Solve for x
    x = 494,185,775,582.14/909,435.15
  6. Step 6: Final answer
    x = 543,398.59

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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.