Home / 1,384,130.60-2,076,195.90-1,277,842.40

Finding the Fourth Proportional to 1,384,130.60, 2,076,195.90 and 1,277,842.40

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Solution

The fourth proportional to 1,384,130.60, 2,076,195.90 and 1,277,842.40 is: 1,916,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,130.60 : 2,076,195.90 = 1,277,842.40 : x
  2. Step 2: Convert to fraction form
    1,384,130.60/2,076,195.90 = 1,277,842.40/x
  3. Step 3: Cross multiply
    1,384,130.60x = 2,076,195.90 × 1,277,842.40
  4. Step 4: Simplify right side
    1,384,130.60x = 2,653,051,151,726.16
  5. Step 5: Solve for x
    x = 2,653,051,151,726.16/1,384,130.60
  6. Step 6: Final answer
    x = 1,916,763.60

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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.