Home / 1,292,823.40-1,939,235.10-844,925.80

Finding the Fourth Proportional to 1,292,823.40, 1,939,235.10 and 844,925.80

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Solution

The fourth proportional to 1,292,823.40, 1,939,235.10 and 844,925.80 is: 1,267,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,823.40 : 1,939,235.10 = 844,925.80 : x
  2. Step 2: Convert to fraction form
    1,292,823.40/1,939,235.10 = 844,925.80/x
  3. Step 3: Cross multiply
    1,292,823.40x = 1,939,235.10 × 844,925.80
  4. Step 4: Simplify right side
    1,292,823.40x = 1,638,509,768,255.58
  5. Step 5: Solve for x
    x = 1,638,509,768,255.58/1,292,823.40
  6. Step 6: Final answer
    x = 1,267,388.70

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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.