Home / 1,226,228.08-1,838,805.91-618,642.58

Finding the Fourth Proportional to 1,226,228.08, 1,838,805.91 and 618,642.58

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Solution

The fourth proportional to 1,226,228.08, 1,838,805.91 and 618,642.58 is: 927,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,228.08 : 1,838,805.91 = 618,642.58 : x
  2. Step 2: Convert to fraction form
    1,226,228.08/1,838,805.91 = 618,642.58/x
  3. Step 3: Cross multiply
    1,226,228.08x = 1,838,805.91 × 618,642.58
  4. Step 4: Simplify right side
    1,226,228.08x = 1,137,563,632,281.65
  5. Step 5: Solve for x
    x = 1,137,563,632,281.65/1,226,228.08
  6. Step 6: Final answer
    x = 927,693.35

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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.