Home / 1,035,811.51-1,429,491.72-627,930.54

Finding the Fourth Proportional to 1,035,811.51, 1,429,491.72 and 627,930.54

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Solution

The fourth proportional to 1,035,811.51, 1,429,491.72 and 627,930.54 is: 866,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,811.51 : 1,429,491.72 = 627,930.54 : x
  2. Step 2: Convert to fraction form
    1,035,811.51/1,429,491.72 = 627,930.54/x
  3. Step 3: Cross multiply
    1,035,811.51x = 1,429,491.72 × 627,930.54
  4. Step 4: Simplify right side
    1,035,811.51x = 897,621,507,665.13
  5. Step 5: Solve for x
    x = 897,621,507,665.13/1,035,811.51
  6. Step 6: Final answer
    x = 866,587.69

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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.