Home / 1,687,804.60-2,531,434.02-623,347.96

Finding the Fourth Proportional to 1,687,804.60, 2,531,434.02 and 623,347.96

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Solution

The fourth proportional to 1,687,804.60, 2,531,434.02 and 623,347.96 is: 934,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,804.60 : 2,531,434.02 = 623,347.96 : x
  2. Step 2: Convert to fraction form
    1,687,804.60/2,531,434.02 = 623,347.96/x
  3. Step 3: Cross multiply
    1,687,804.60x = 2,531,434.02 × 623,347.96
  4. Step 4: Simplify right side
    1,687,804.60x = 1,577,964,232,241.60
  5. Step 5: Solve for x
    x = 1,577,964,232,241.60/1,687,804.60
  6. Step 6: Final answer
    x = 934,921.16

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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.