Home / 1,315,238.63-1,972,915.35-416,746.59

Finding the Fourth Proportional to 1,315,238.63, 1,972,915.35 and 416,746.59

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Solution

The fourth proportional to 1,315,238.63, 1,972,915.35 and 416,746.59 is: 625,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,238.63 : 1,972,915.35 = 416,746.59 : x
  2. Step 2: Convert to fraction form
    1,315,238.63/1,972,915.35 = 416,746.59/x
  3. Step 3: Cross multiply
    1,315,238.63x = 1,972,915.35 × 416,746.59
  4. Step 4: Simplify right side
    1,315,238.63x = 822,205,735,509.92
  5. Step 5: Solve for x
    x = 822,205,735,509.92/1,315,238.63
  6. Step 6: Final answer
    x = 625,138.07

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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.