Home / 1,085,709.10-1,628,563.65-525,837.10

Finding the Fourth Proportional to 1,085,709.10, 1,628,563.65 and 525,837.10

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Solution

The fourth proportional to 1,085,709.10, 1,628,563.65 and 525,837.10 is: 788,755.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,709.10 : 1,628,563.65 = 525,837.10 : x
  2. Step 2: Convert to fraction form
    1,085,709.10/1,628,563.65 = 525,837.10/x
  3. Step 3: Cross multiply
    1,085,709.10x = 1,628,563.65 × 525,837.10
  4. Step 4: Simplify right side
    1,085,709.10x = 856,359,186,881.42
  5. Step 5: Solve for x
    x = 856,359,186,881.42/1,085,709.10
  6. Step 6: Final answer
    x = 788,755.65

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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.