Home / 1,311,000.26-1,809,214.18-738,060.93

Finding the Fourth Proportional to 1,311,000.26, 1,809,214.18 and 738,060.93

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Solution

The fourth proportional to 1,311,000.26, 1,809,214.18 and 738,060.93 is: 1,018,543.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,000.26 : 1,809,214.18 = 738,060.93 : x
  2. Step 2: Convert to fraction form
    1,311,000.26/1,809,214.18 = 738,060.93/x
  3. Step 3: Cross multiply
    1,311,000.26x = 1,809,214.18 × 738,060.93
  4. Step 4: Simplify right side
    1,311,000.26x = 1,335,310,298,414.84
  5. Step 5: Solve for x
    x = 1,335,310,298,414.84/1,311,000.26
  6. Step 6: Final answer
    x = 1,018,543.13

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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.