Home / 1,959,657.81-2,938,342.64-760,178.52

Finding the Fourth Proportional to 1,959,657.81, 2,938,342.64 and 760,178.52

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Solution

The fourth proportional to 1,959,657.81, 2,938,342.64 and 760,178.52 is: 1,139,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,657.81 : 2,938,342.64 = 760,178.52 : x
  2. Step 2: Convert to fraction form
    1,959,657.81/2,938,342.64 = 760,178.52/x
  3. Step 3: Cross multiply
    1,959,657.81x = 2,938,342.64 × 760,178.52
  4. Step 4: Simplify right side
    1,959,657.81x = 2,233,664,955,527.20
  5. Step 5: Solve for x
    x = 2,233,664,955,527.20/1,959,657.81
  6. Step 6: Final answer
    x = 1,139,823.98

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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.