Home / 1,234,237.80-1,851,356.70-759,383.40

Finding the Fourth Proportional to 1,234,237.80, 1,851,356.70 and 759,383.40

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Solution

The fourth proportional to 1,234,237.80, 1,851,356.70 and 759,383.40 is: 1,139,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,237.80 : 1,851,356.70 = 759,383.40 : x
  2. Step 2: Convert to fraction form
    1,234,237.80/1,851,356.70 = 759,383.40/x
  3. Step 3: Cross multiply
    1,234,237.80x = 1,851,356.70 × 759,383.40
  4. Step 4: Simplify right side
    1,234,237.80x = 1,405,889,545,458.78
  5. Step 5: Solve for x
    x = 1,405,889,545,458.78/1,234,237.80
  6. Step 6: Final answer
    x = 1,139,075.10

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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.