Home / 1,186,452.86-1,637,296.74-642,576.17

Finding the Fourth Proportional to 1,186,452.86, 1,637,296.74 and 642,576.17

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Solution

The fourth proportional to 1,186,452.86, 1,637,296.74 and 642,576.17 is: 886,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,452.86 : 1,637,296.74 = 642,576.17 : x
  2. Step 2: Convert to fraction form
    1,186,452.86/1,637,296.74 = 642,576.17/x
  3. Step 3: Cross multiply
    1,186,452.86x = 1,637,296.74 × 642,576.17
  4. Step 4: Simplify right side
    1,186,452.86x = 1,052,087,860,156.20
  5. Step 5: Solve for x
    x = 1,052,087,860,156.20/1,186,452.86
  6. Step 6: Final answer
    x = 886,750.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.