Home / 1,283,884.13-1,773,605.57-1,025,421.72

Finding the Fourth Proportional to 1,283,884.13, 1,773,605.57 and 1,025,421.72

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Solution

The fourth proportional to 1,283,884.13, 1,773,605.57 and 1,025,421.72 is: 1,416,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,884.13 : 1,773,605.57 = 1,025,421.72 : x
  2. Step 2: Convert to fraction form
    1,283,884.13/1,773,605.57 = 1,025,421.72/x
  3. Step 3: Cross multiply
    1,283,884.13x = 1,773,605.57 × 1,025,421.72
  4. Step 4: Simplify right side
    1,283,884.13x = 1,818,693,669,063.87
  5. Step 5: Solve for x
    x = 1,818,693,669,063.87/1,283,884.13
  6. Step 6: Final answer
    x = 1,416,555.93

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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.