Home / 1,091,929.62-1,637,502.75-418,200.34

Finding the Fourth Proportional to 1,091,929.62, 1,637,502.75 and 418,200.34

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Solution

The fourth proportional to 1,091,929.62, 1,637,502.75 and 418,200.34 is: 627,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,929.62 : 1,637,502.75 = 418,200.34 : x
  2. Step 2: Convert to fraction form
    1,091,929.62/1,637,502.75 = 418,200.34/x
  3. Step 3: Cross multiply
    1,091,929.62x = 1,637,502.75 × 418,200.34
  4. Step 4: Simplify right side
    1,091,929.62x = 684,804,206,800.94
  5. Step 5: Solve for x
    x = 684,804,206,800.94/1,091,929.62
  6. Step 6: Final answer
    x = 627,150.50

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1.5x scale

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.