Home / 1,066,649.45-1,599,975.71-435,563.26

Finding the Fourth Proportional to 1,066,649.45, 1,599,975.71 and 435,563.26

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Solution

The fourth proportional to 1,066,649.45, 1,599,975.71 and 435,563.26 is: 653,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,649.45 : 1,599,975.71 = 435,563.26 : x
  2. Step 2: Convert to fraction form
    1,066,649.45/1,599,975.71 = 435,563.26/x
  3. Step 3: Cross multiply
    1,066,649.45x = 1,599,975.71 × 435,563.26
  4. Step 4: Simplify right side
    1,066,649.45x = 696,890,639,598.96
  5. Step 5: Solve for x
    x = 696,890,639,598.96/1,066,649.45
  6. Step 6: Final answer
    x = 653,345.52

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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.