Home / 1,112,333.56-1,535,098.98-628,903.40

Finding the Fourth Proportional to 1,112,333.56, 1,535,098.98 and 628,903.40

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Solution

The fourth proportional to 1,112,333.56, 1,535,098.98 and 628,903.40 is: 867,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,333.56 : 1,535,098.98 = 628,903.40 : x
  2. Step 2: Convert to fraction form
    1,112,333.56/1,535,098.98 = 628,903.40/x
  3. Step 3: Cross multiply
    1,112,333.56x = 1,535,098.98 × 628,903.40
  4. Step 4: Simplify right side
    1,112,333.56x = 965,428,967,858.53
  5. Step 5: Solve for x
    x = 965,428,967,858.53/1,112,333.56
  6. Step 6: Final answer
    x = 867,931.17

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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.