Home / 1,358,851.76-2,038,592.28-399,321.98

Finding the Fourth Proportional to 1,358,851.76, 2,038,592.28 and 399,321.98

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Solution

The fourth proportional to 1,358,851.76, 2,038,592.28 and 399,321.98 is: 599,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,851.76 : 2,038,592.28 = 399,321.98 : x
  2. Step 2: Convert to fraction form
    1,358,851.76/2,038,592.28 = 399,321.98/x
  3. Step 3: Cross multiply
    1,358,851.76x = 2,038,592.28 × 399,321.98
  4. Step 4: Simplify right side
    1,358,851.76x = 814,054,705,662.31
  5. Step 5: Solve for x
    x = 814,054,705,662.31/1,358,851.76
  6. Step 6: Final answer
    x = 599,075.43

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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.