Home / 1,277,134.65-1,762,872.89-761,050.43

Finding the Fourth Proportional to 1,277,134.65, 1,762,872.89 and 761,050.43

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Solution

The fourth proportional to 1,277,134.65, 1,762,872.89 and 761,050.43 is: 1,050,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,134.65 : 1,762,872.89 = 761,050.43 : x
  2. Step 2: Convert to fraction form
    1,277,134.65/1,762,872.89 = 761,050.43/x
  3. Step 3: Cross multiply
    1,277,134.65x = 1,762,872.89 × 761,050.43
  4. Step 4: Simplify right side
    1,277,134.65x = 1,341,635,164,961.00
  5. Step 5: Solve for x
    x = 1,341,635,164,961.00/1,277,134.65
  6. Step 6: Final answer
    x = 1,050,504.08

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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.