Home / 1,012,879.39-1,516,747.91-607,816.91

Finding the Fourth Proportional to 1,012,879.39, 1,516,747.91 and 607,816.91

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Solution

The fourth proportional to 1,012,879.39, 1,516,747.91 and 607,816.91 is: 910,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,879.39 : 1,516,747.91 = 607,816.91 : x
  2. Step 2: Convert to fraction form
    1,012,879.39/1,516,747.91 = 607,816.91/x
  3. Step 3: Cross multiply
    1,012,879.39x = 1,516,747.91 × 607,816.91
  4. Step 4: Simplify right side
    1,012,879.39x = 921,905,024,866.07
  5. Step 5: Solve for x
    x = 921,905,024,866.07/1,012,879.39
  6. Step 6: Final answer
    x = 910,182.43

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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.