Home / 1,539,989.38-2,125,447.56-895,783

Finding the Fourth Proportional to 1,539,989.38, 2,125,447.56 and 895,783

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Solution

The fourth proportional to 1,539,989.38, 2,125,447.56 and 895,783 is: 1,236,333.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,989.38 : 2,125,447.56 = 895,783 : x
  2. Step 2: Convert to fraction form
    1,539,989.38/2,125,447.56 = 895,783/x
  3. Step 3: Cross multiply
    1,539,989.38x = 2,125,447.56 × 895,783
  4. Step 4: Simplify right side
    1,539,989.38x = 1,903,939,791,639.48
  5. Step 5: Solve for x
    x = 1,903,939,791,639.48/1,539,989.38
  6. Step 6: Final answer
    x = 1,236,333.07

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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.