Home / 1,560,485.25-2,153,644.88-881,465.49

Finding the Fourth Proportional to 1,560,485.25, 2,153,644.88 and 881,465.49

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Solution

The fourth proportional to 1,560,485.25, 2,153,644.88 and 881,465.49 is: 1,216,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,485.25 : 2,153,644.88 = 881,465.49 : x
  2. Step 2: Convert to fraction form
    1,560,485.25/2,153,644.88 = 881,465.49/x
  3. Step 3: Cross multiply
    1,560,485.25x = 2,153,644.88 × 881,465.49
  4. Step 4: Simplify right side
    1,560,485.25x = 1,898,363,635,027.86
  5. Step 5: Solve for x
    x = 1,898,363,635,027.86/1,560,485.25
  6. Step 6: Final answer
    x = 1,216,521.36

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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.