Home / 459,128.68-633,415.35-265,500.58

Finding the Fourth Proportional to 459,128.68, 633,415.35 and 265,500.58

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Solution

The fourth proportional to 459,128.68, 633,415.35 and 265,500.58 is: 366,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,128.68 : 633,415.35 = 265,500.58 : x
  2. Step 2: Convert to fraction form
    459,128.68/633,415.35 = 265,500.58/x
  3. Step 3: Cross multiply
    459,128.68x = 633,415.35 × 265,500.58
  4. Step 4: Simplify right side
    459,128.68x = 168,172,142,805.90
  5. Step 5: Solve for x
    x = 168,172,142,805.90/459,128.68
  6. Step 6: Final answer
    x = 366,285.42

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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.