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Finding the Fourth Proportional to 1,303,562.10, 1,799,101.11 and 722,914.38

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Solution

The fourth proportional to 1,303,562.10, 1,799,101.11 and 722,914.38 is: 997,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,562.10 : 1,799,101.11 = 722,914.38 : x
  2. Step 2: Convert to fraction form
    1,303,562.10/1,799,101.11 = 722,914.38/x
  3. Step 3: Cross multiply
    1,303,562.10x = 1,799,101.11 × 722,914.38
  4. Step 4: Simplify right side
    1,303,562.10x = 1,300,596,063,492.96
  5. Step 5: Solve for x
    x = 1,300,596,063,492.96/1,303,562.10
  6. Step 6: Final answer
    x = 997,724.67

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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.