Home / 1,275,056.64-1,912,222.08-433,589.76

Finding the Fourth Proportional to 1,275,056.64, 1,912,222.08 and 433,589.76

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Solution

The fourth proportional to 1,275,056.64, 1,912,222.08 and 433,589.76 is: 650,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,056.64 : 1,912,222.08 = 433,589.76 : x
  2. Step 2: Convert to fraction form
    1,275,056.64/1,912,222.08 = 433,589.76/x
  3. Step 3: Cross multiply
    1,275,056.64x = 1,912,222.08 × 433,589.76
  4. Step 4: Simplify right side
    1,275,056.64x = 829,119,912,733.90
  5. Step 5: Solve for x
    x = 829,119,912,733.90/1,275,056.64
  6. Step 6: Final answer
    x = 650,261.24

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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.