Home / 1,386,303.70-2,076,554.72-1,114,965.34

Finding the Fourth Proportional to 1,386,303.70, 2,076,554.72 and 1,114,965.34

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Solution

The fourth proportional to 1,386,303.70, 2,076,554.72 and 1,114,965.34 is: 1,670,114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,303.70 : 2,076,554.72 = 1,114,965.34 : x
  2. Step 2: Convert to fraction form
    1,386,303.70/2,076,554.72 = 1,114,965.34/x
  3. Step 3: Cross multiply
    1,386,303.70x = 2,076,554.72 × 1,114,965.34
  4. Step 4: Simplify right side
    1,386,303.70x = 2,315,286,539,413.40
  5. Step 5: Solve for x
    x = 2,315,286,539,413.40/1,386,303.70
  6. Step 6: Final answer
    x = 1,670,114.95

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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.