Home / 461,534.10-636,698.66-300,330.33

Finding the Fourth Proportional to 461,534.10, 636,698.66 and 300,330.33

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Solution

The fourth proportional to 461,534.10, 636,698.66 and 300,330.33 is: 414,313.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,534.10 : 636,698.66 = 300,330.33 : x
  2. Step 2: Convert to fraction form
    461,534.10/636,698.66 = 300,330.33/x
  3. Step 3: Cross multiply
    461,534.10x = 636,698.66 × 300,330.33
  4. Step 4: Simplify right side
    461,534.10x = 191,219,917,166.71
  5. Step 5: Solve for x
    x = 191,219,917,166.71/461,534.10
  6. Step 6: Final answer
    x = 414,313.74

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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.