Home / 1,590,207.71-2,194,543.97-911,275.43

Finding the Fourth Proportional to 1,590,207.71, 2,194,543.97 and 911,275.43

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Solution

The fourth proportional to 1,590,207.71, 2,194,543.97 and 911,275.43 is: 1,257,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,207.71 : 2,194,543.97 = 911,275.43 : x
  2. Step 2: Convert to fraction form
    1,590,207.71/2,194,543.97 = 911,275.43/x
  3. Step 3: Cross multiply
    1,590,207.71x = 2,194,543.97 × 911,275.43
  4. Step 4: Simplify right side
    1,590,207.71x = 1,999,833,987,803.84
  5. Step 5: Solve for x
    x = 1,999,833,987,803.84/1,590,207.71
  6. Step 6: Final answer
    x = 1,257,592.94

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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.