Home / 1,888,123.36-2,831,572.56-625,612

Finding the Fourth Proportional to 1,888,123.36, 2,831,572.56 and 625,612

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Solution

The fourth proportional to 1,888,123.36, 2,831,572.56 and 625,612 is: 938,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,123.36 : 2,831,572.56 = 625,612 : x
  2. Step 2: Convert to fraction form
    1,888,123.36/2,831,572.56 = 625,612/x
  3. Step 3: Cross multiply
    1,888,123.36x = 2,831,572.56 × 625,612
  4. Step 4: Simplify right side
    1,888,123.36x = 1,771,465,772,406.72
  5. Step 5: Solve for x
    x = 1,771,465,772,406.72/1,888,123.36
  6. Step 6: Final answer
    x = 938,215.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.