Home / 1,087,636.64-1,631,455.56-413,562.23

Finding the Fourth Proportional to 1,087,636.64, 1,631,455.56 and 413,562.23

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Solution

The fourth proportional to 1,087,636.64, 1,631,455.56 and 413,562.23 is: 620,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,636.64 : 1,631,455.56 = 413,562.23 : x
  2. Step 2: Convert to fraction form
    1,087,636.64/1,631,455.56 = 413,562.23/x
  3. Step 3: Cross multiply
    1,087,636.64x = 1,631,455.56 × 413,562.23
  4. Step 4: Simplify right side
    1,087,636.64x = 674,708,399,539.50
  5. Step 5: Solve for x
    x = 674,708,399,539.50/1,087,636.64
  6. Step 6: Final answer
    x = 620,343.57

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1.5x scale

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.