Home / 1,391,373.60-2,085,845.40-539,026.80

Finding the Fourth Proportional to 1,391,373.60, 2,085,845.40 and 539,026.80

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Solution

The fourth proportional to 1,391,373.60, 2,085,845.40 and 539,026.80 is: 808,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,373.60 : 2,085,845.40 = 539,026.80 : x
  2. Step 2: Convert to fraction form
    1,391,373.60/2,085,845.40 = 539,026.80/x
  3. Step 3: Cross multiply
    1,391,373.60x = 2,085,845.40 × 539,026.80
  4. Step 4: Simplify right side
    1,391,373.60x = 1,124,326,571,256.72
  5. Step 5: Solve for x
    x = 1,124,326,571,256.72/1,391,373.60
  6. Step 6: Final answer
    x = 808,069.50

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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.