Home / 1,687,887.09-2,531,014.16-623,430.45

Finding the Fourth Proportional to 1,687,887.09, 2,531,014.16 and 623,430.45

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Solution

The fourth proportional to 1,687,887.09, 2,531,014.16 and 623,430.45 is: 934,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,887.09 : 2,531,014.16 = 623,430.45 : x
  2. Step 2: Convert to fraction form
    1,687,887.09/2,531,014.16 = 623,430.45/x
  3. Step 3: Cross multiply
    1,687,887.09x = 2,531,014.16 × 623,430.45
  4. Step 4: Simplify right side
    1,687,887.09x = 1,577,911,293,608.02
  5. Step 5: Solve for x
    x = 1,577,911,293,608.02/1,687,887.09
  6. Step 6: Final answer
    x = 934,844.10

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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.