Home / 1,387,423.44-1,914,953.22-843,444

Finding the Fourth Proportional to 1,387,423.44, 1,914,953.22 and 843,444

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Solution

The fourth proportional to 1,387,423.44, 1,914,953.22 and 843,444 is: 1,164,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,423.44 : 1,914,953.22 = 843,444 : x
  2. Step 2: Convert to fraction form
    1,387,423.44/1,914,953.22 = 843,444/x
  3. Step 3: Cross multiply
    1,387,423.44x = 1,914,953.22 × 843,444
  4. Step 4: Simplify right side
    1,387,423.44x = 1,615,155,803,689.68
  5. Step 5: Solve for x
    x = 1,615,155,803,689.68/1,387,423.44
  6. Step 6: Final answer
    x = 1,164,140.49

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1.5x scale

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.