Home / 1,435,539.40-2,153,642.28-488,918.32

Finding the Fourth Proportional to 1,435,539.40, 2,153,642.28 and 488,918.32

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Solution

The fourth proportional to 1,435,539.40, 2,153,642.28 and 488,918.32 is: 733,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,539.40 : 2,153,642.28 = 488,918.32 : x
  2. Step 2: Convert to fraction form
    1,435,539.40/2,153,642.28 = 488,918.32/x
  3. Step 3: Cross multiply
    1,435,539.40x = 2,153,642.28 × 488,918.32
  4. Step 4: Simplify right side
    1,435,539.40x = 1,052,955,165,418.57
  5. Step 5: Solve for x
    x = 1,052,955,165,418.57/1,435,539.40
  6. Step 6: Final answer
    x = 733,490.95

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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.