Home / 1,384,276.19-2,076,401.30-437,647.01

Finding the Fourth Proportional to 1,384,276.19, 2,076,401.30 and 437,647.01

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Solution

The fourth proportional to 1,384,276.19, 2,076,401.30 and 437,647.01 is: 656,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,276.19 : 2,076,401.30 = 437,647.01 : x
  2. Step 2: Convert to fraction form
    1,384,276.19/2,076,401.30 = 437,647.01/x
  3. Step 3: Cross multiply
    1,384,276.19x = 2,076,401.30 × 437,647.01
  4. Step 4: Simplify right side
    1,384,276.19x = 908,730,807,934.87
  5. Step 5: Solve for x
    x = 908,730,807,934.87/1,384,276.19
  6. Step 6: Final answer
    x = 656,466.40

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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.