Home / 407,784.12-611,876.64-183,303.14

Finding the Fourth Proportional to 407,784.12, 611,876.64 and 183,303.14

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Solution

The fourth proportional to 407,784.12, 611,876.64 and 183,303.14 is: 275,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,784.12 : 611,876.64 = 183,303.14 : x
  2. Step 2: Convert to fraction form
    407,784.12/611,876.64 = 183,303.14/x
  3. Step 3: Cross multiply
    407,784.12x = 611,876.64 × 183,303.14
  4. Step 4: Simplify right side
    407,784.12x = 112,158,909,404.65
  5. Step 5: Solve for x
    x = 112,158,909,404.65/407,784.12
  6. Step 6: Final answer
    x = 275,044.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.