Home / 1,853,276.22-2,779,962.93-638,839.98

Finding the Fourth Proportional to 1,853,276.22, 2,779,962.93 and 638,839.98

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Solution

The fourth proportional to 1,853,276.22, 2,779,962.93 and 638,839.98 is: 958,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,276.22 : 2,779,962.93 = 638,839.98 : x
  2. Step 2: Convert to fraction form
    1,853,276.22/2,779,962.93 = 638,839.98/x
  3. Step 3: Cross multiply
    1,853,276.22x = 2,779,962.93 × 638,839.98
  4. Step 4: Simplify right side
    1,853,276.22x = 1,775,951,462,601.94
  5. Step 5: Solve for x
    x = 1,775,951,462,601.94/1,853,276.22
  6. Step 6: Final answer
    x = 958,276.72

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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.