Home / 1,006,020.48-1,388,317.56-547,139.40

Finding the Fourth Proportional to 1,006,020.48, 1,388,317.56 and 547,139.40

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Solution

The fourth proportional to 1,006,020.48, 1,388,317.56 and 547,139.40 is: 755,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,020.48 : 1,388,317.56 = 547,139.40 : x
  2. Step 2: Convert to fraction form
    1,006,020.48/1,388,317.56 = 547,139.40/x
  3. Step 3: Cross multiply
    1,006,020.48x = 1,388,317.56 × 547,139.40
  4. Step 4: Simplify right side
    1,006,020.48x = 759,603,236,787.86
  5. Step 5: Solve for x
    x = 759,603,236,787.86/1,006,020.48
  6. Step 6: Final answer
    x = 755,057.43

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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.