Home / 1,637,638.80-2,453,693.40-1,076,384.40

Finding the Fourth Proportional to 1,637,638.80, 2,453,693.40 and 1,076,384.40

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Solution

The fourth proportional to 1,637,638.80, 2,453,693.40 and 1,076,384.40 is: 1,612,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,638.80 : 2,453,693.40 = 1,076,384.40 : x
  2. Step 2: Convert to fraction form
    1,637,638.80/2,453,693.40 = 1,076,384.40/x
  3. Step 3: Cross multiply
    1,637,638.80x = 2,453,693.40 × 1,076,384.40
  4. Step 4: Simplify right side
    1,637,638.80x = 2,641,117,298,142.96
  5. Step 5: Solve for x
    x = 2,641,117,298,142.96/1,637,638.80
  6. Step 6: Final answer
    x = 1,612,759.36

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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.