Home / 1,404,818.87-1,938,649.88-760,239.09

Finding the Fourth Proportional to 1,404,818.87, 1,938,649.88 and 760,239.09

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Solution

The fourth proportional to 1,404,818.87, 1,938,649.88 and 760,239.09 is: 1,049,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,818.87 : 1,938,649.88 = 760,239.09 : x
  2. Step 2: Convert to fraction form
    1,404,818.87/1,938,649.88 = 760,239.09/x
  3. Step 3: Cross multiply
    1,404,818.87x = 1,938,649.88 × 760,239.09
  4. Step 4: Simplify right side
    1,404,818.87x = 1,473,837,416,798.61
  5. Step 5: Solve for x
    x = 1,473,837,416,798.61/1,404,818.87
  6. Step 6: Final answer
    x = 1,049,129.86

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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.