Home / 439,918.68-607,085.64-238,714.68

Finding the Fourth Proportional to 439,918.68, 607,085.64 and 238,714.68

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Solution

The fourth proportional to 439,918.68, 607,085.64 and 238,714.68 is: 329,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,918.68 : 607,085.64 = 238,714.68 : x
  2. Step 2: Convert to fraction form
    439,918.68/607,085.64 = 238,714.68/x
  3. Step 3: Cross multiply
    439,918.68x = 607,085.64 × 238,714.68
  4. Step 4: Simplify right side
    439,918.68x = 144,920,254,285.20
  5. Step 5: Solve for x
    x = 144,920,254,285.20/439,918.68
  6. Step 6: Final answer
    x = 329,425.10

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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.