Home / 937,009.80-1,405,514.70-404,159.40

Finding the Fourth Proportional to 937,009.80, 1,405,514.70 and 404,159.40

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Solution

The fourth proportional to 937,009.80, 1,405,514.70 and 404,159.40 is: 606,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,009.80 : 1,405,514.70 = 404,159.40 : x
  2. Step 2: Convert to fraction form
    937,009.80/1,405,514.70 = 404,159.40/x
  3. Step 3: Cross multiply
    937,009.80x = 1,405,514.70 × 404,159.40
  4. Step 4: Simplify right side
    937,009.80x = 568,051,977,843.18
  5. Step 5: Solve for x
    x = 568,051,977,843.18/937,009.80
  6. Step 6: Final answer
    x = 606,239.10

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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.