Home / 1,069,102.08-1,603,838.40-359,199.36

Finding the Fourth Proportional to 1,069,102.08, 1,603,838.40 and 359,199.36

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Solution

The fourth proportional to 1,069,102.08, 1,603,838.40 and 359,199.36 is: 538,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,102.08 : 1,603,838.40 = 359,199.36 : x
  2. Step 2: Convert to fraction form
    1,069,102.08/1,603,838.40 = 359,199.36/x
  3. Step 3: Cross multiply
    1,069,102.08x = 1,603,838.40 × 359,199.36
  4. Step 4: Simplify right side
    1,069,102.08x = 576,097,726,823.42
  5. Step 5: Solve for x
    x = 576,097,726,823.42/1,069,102.08
  6. Step 6: Final answer
    x = 538,861.29

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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.