Home / 1,240,444.64-1,860,673.84-441,757.28

Finding the Fourth Proportional to 1,240,444.64, 1,860,673.84 and 441,757.28

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Solution

The fourth proportional to 1,240,444.64, 1,860,673.84 and 441,757.28 is: 662,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,444.64 : 1,860,673.84 = 441,757.28 : x
  2. Step 2: Convert to fraction form
    1,240,444.64/1,860,673.84 = 441,757.28/x
  3. Step 3: Cross multiply
    1,240,444.64x = 1,860,673.84 × 441,757.28
  4. Step 4: Simplify right side
    1,240,444.64x = 821,966,214,525.56
  5. Step 5: Solve for x
    x = 821,966,214,525.56/1,240,444.64
  6. Step 6: Final answer
    x = 662,638.37

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1.5x scale

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.