Home / 1,008,916.76-1,392,314.64-556,223.96

Finding the Fourth Proportional to 1,008,916.76, 1,392,314.64 and 556,223.96

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Solution

The fourth proportional to 1,008,916.76, 1,392,314.64 and 556,223.96 is: 767,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,916.76 : 1,392,314.64 = 556,223.96 : x
  2. Step 2: Convert to fraction form
    1,008,916.76/1,392,314.64 = 556,223.96/x
  3. Step 3: Cross multiply
    1,008,916.76x = 1,392,314.64 × 556,223.96
  4. Step 4: Simplify right side
    1,008,916.76x = 774,438,762,626.77
  5. Step 5: Solve for x
    x = 774,438,762,626.77/1,008,916.76
  6. Step 6: Final answer
    x = 767,594.31

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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.