Home / 406,095.12-608,476.86-287,553.65

Finding the Fourth Proportional to 406,095.12, 608,476.86 and 287,553.65

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Solution

The fourth proportional to 406,095.12, 608,476.86 and 287,553.65 is: 430,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,095.12 : 608,476.86 = 287,553.65 : x
  2. Step 2: Convert to fraction form
    406,095.12/608,476.86 = 287,553.65/x
  3. Step 3: Cross multiply
    406,095.12x = 608,476.86 × 287,553.65
  4. Step 4: Simplify right side
    406,095.12x = 174,969,738,991.16
  5. Step 5: Solve for x
    x = 174,969,738,991.16/406,095.12
  6. Step 6: Final answer
    x = 430,859.00

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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.