Home / 938,568.51-1,406,768.36-432,067.50

Finding the Fourth Proportional to 938,568.51, 1,406,768.36 and 432,067.50

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Solution

The fourth proportional to 938,568.51, 1,406,768.36 and 432,067.50 is: 647,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,568.51 : 1,406,768.36 = 432,067.50 : x
  2. Step 2: Convert to fraction form
    938,568.51/1,406,768.36 = 432,067.50/x
  3. Step 3: Cross multiply
    938,568.51x = 1,406,768.36 × 432,067.50
  4. Step 4: Simplify right side
    938,568.51x = 607,818,886,223.96
  5. Step 5: Solve for x
    x = 607,818,886,223.96/938,568.51
  6. Step 6: Final answer
    x = 647,602.04

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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.