Home / 1,687,804.98-2,531,434.58-623,348.34

Finding the Fourth Proportional to 1,687,804.98, 2,531,434.58 and 623,348.34

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Solution

The fourth proportional to 1,687,804.98, 2,531,434.58 and 623,348.34 is: 934,921.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,804.98 : 2,531,434.58 = 623,348.34 : x
  2. Step 2: Convert to fraction form
    1,687,804.98/2,531,434.58 = 623,348.34/x
  3. Step 3: Cross multiply
    1,687,804.98x = 2,531,434.58 × 623,348.34
  4. Step 4: Simplify right side
    1,687,804.98x = 1,577,965,543,261.60
  5. Step 5: Solve for x
    x = 1,577,965,543,261.60/1,687,804.98
  6. Step 6: Final answer
    x = 934,921.72

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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.