Home / 749,712.21-1,034,628.66-410,180.46

Finding the Fourth Proportional to 749,712.21, 1,034,628.66 and 410,180.46

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Solution

The fourth proportional to 749,712.21, 1,034,628.66 and 410,180.46 is: 566,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,712.21 : 1,034,628.66 = 410,180.46 : x
  2. Step 2: Convert to fraction form
    749,712.21/1,034,628.66 = 410,180.46/x
  3. Step 3: Cross multiply
    749,712.21x = 1,034,628.66 × 410,180.46
  4. Step 4: Simplify right side
    749,712.21x = 424,384,459,687.98
  5. Step 5: Solve for x
    x = 424,384,459,687.98/749,712.21
  6. Step 6: Final answer
    x = 566,063.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.