Home / 679,190.65-1,018,820.87-173,756.00

Finding the Fourth Proportional to 679,190.65, 1,018,820.87 and 173,756.00

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Solution

The fourth proportional to 679,190.65, 1,018,820.87 and 173,756.00 is: 260,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,190.65 : 1,018,820.87 = 173,756.00 : x
  2. Step 2: Convert to fraction form
    679,190.65/1,018,820.87 = 173,756.00/x
  3. Step 3: Cross multiply
    679,190.65x = 1,018,820.87 × 173,756.00
  4. Step 4: Simplify right side
    679,190.65x = 177,026,240,765.99
  5. Step 5: Solve for x
    x = 177,026,240,765.99/679,190.65
  6. Step 6: Final answer
    x = 260,642.93

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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.