Home / 437,929.07-604,342.58-256,604.90

Finding the Fourth Proportional to 437,929.07, 604,342.58 and 256,604.90

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Solution

The fourth proportional to 437,929.07, 604,342.58 and 256,604.90 is: 354,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,929.07 : 604,342.58 = 256,604.90 : x
  2. Step 2: Convert to fraction form
    437,929.07/604,342.58 = 256,604.90/x
  3. Step 3: Cross multiply
    437,929.07x = 604,342.58 × 256,604.90
  4. Step 4: Simplify right side
    437,929.07x = 155,077,263,001.91
  5. Step 5: Solve for x
    x = 155,077,263,001.91/437,929.07
  6. Step 6: Final answer
    x = 354,115.03

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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.