Home / 1,223,917.88-1,688,907.74-707,705.26

Finding the Fourth Proportional to 1,223,917.88, 1,688,907.74 and 707,705.26

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Solution

The fourth proportional to 1,223,917.88, 1,688,907.74 and 707,705.26 is: 976,576.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,917.88 : 1,688,907.74 = 707,705.26 : x
  2. Step 2: Convert to fraction form
    1,223,917.88/1,688,907.74 = 707,705.26/x
  3. Step 3: Cross multiply
    1,223,917.88x = 1,688,907.74 × 707,705.26
  4. Step 4: Simplify right side
    1,223,917.88x = 1,195,248,883,491.92
  5. Step 5: Solve for x
    x = 1,195,248,883,491.92/1,223,917.88
  6. Step 6: Final answer
    x = 976,576.05

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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.