Home / 439,785.12-606,590.56-403,603.44

Finding the Fourth Proportional to 439,785.12, 606,590.56 and 403,603.44

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Solution

The fourth proportional to 439,785.12, 606,590.56 and 403,603.44 is: 556,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,785.12 : 606,590.56 = 403,603.44 : x
  2. Step 2: Convert to fraction form
    439,785.12/606,590.56 = 403,603.44/x
  3. Step 3: Cross multiply
    439,785.12x = 606,590.56 × 403,603.44
  4. Step 4: Simplify right side
    439,785.12x = 244,822,036,687.53
  5. Step 5: Solve for x
    x = 244,822,036,687.53/439,785.12
  6. Step 6: Final answer
    x = 556,685.58

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1.5x scale

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.