Home / 1,047,870.44-1,572,415.59-440,614.86

Finding the Fourth Proportional to 1,047,870.44, 1,572,415.59 and 440,614.86

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Solution

The fourth proportional to 1,047,870.44, 1,572,415.59 and 440,614.86 is: 661,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,870.44 : 1,572,415.59 = 440,614.86 : x
  2. Step 2: Convert to fraction form
    1,047,870.44/1,572,415.59 = 440,614.86/x
  3. Step 3: Cross multiply
    1,047,870.44x = 1,572,415.59 × 440,614.86
  4. Step 4: Simplify right side
    1,047,870.44x = 692,829,675,049.67
  5. Step 5: Solve for x
    x = 692,829,675,049.67/1,047,870.44
  6. Step 6: Final answer
    x = 661,178.76

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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.