Home / 1,068,808.38-1,603,290.33-358,830.42

Finding the Fourth Proportional to 1,068,808.38, 1,603,290.33 and 358,830.42

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Solution

The fourth proportional to 1,068,808.38, 1,603,290.33 and 358,830.42 is: 538,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,808.38 : 1,603,290.33 = 358,830.42 : x
  2. Step 2: Convert to fraction form
    1,068,808.38/1,603,290.33 = 358,830.42/x
  3. Step 3: Cross multiply
    1,068,808.38x = 1,603,290.33 × 358,830.42
  4. Step 4: Simplify right side
    1,068,808.38x = 575,309,342,495.84
  5. Step 5: Solve for x
    x = 575,309,342,495.84/1,068,808.38
  6. Step 6: Final answer
    x = 538,271.74

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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.