Home / 1,983,312-2,973,784.80-785,406.24

Finding the Fourth Proportional to 1,983,312, 2,973,784.80 and 785,406.24

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Solution

The fourth proportional to 1,983,312, 2,973,784.80 and 785,406.24 is: 1,177,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,312 : 2,973,784.80 = 785,406.24 : x
  2. Step 2: Convert to fraction form
    1,983,312/2,973,784.80 = 785,406.24/x
  3. Step 3: Cross multiply
    1,983,312x = 2,973,784.80 × 785,406.24
  4. Step 4: Simplify right side
    1,983,312x = 2,335,629,138,337.15
  5. Step 5: Solve for x
    x = 2,335,629,138,337.15/1,983,312
  6. Step 6: Final answer
    x = 1,177,640.80

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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.