Home / 439,918.93-607,085.98-238,714.93

Finding the Fourth Proportional to 439,918.93, 607,085.98 and 238,714.93

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Solution

The fourth proportional to 439,918.93, 607,085.98 and 238,714.93 is: 329,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,918.93 : 607,085.98 = 238,714.93 : x
  2. Step 2: Convert to fraction form
    439,918.93/607,085.98 = 238,714.93/x
  3. Step 3: Cross multiply
    439,918.93x = 607,085.98 × 238,714.93
  4. Step 4: Simplify right side
    439,918.93x = 144,920,487,219.68
  5. Step 5: Solve for x
    x = 144,920,487,219.68/439,918.93
  6. Step 6: Final answer
    x = 329,425.44

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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.