Home / 899,496.18-1,241,302.64-512,311.52

Finding the Fourth Proportional to 899,496.18, 1,241,302.64 and 512,311.52

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Solution

The fourth proportional to 899,496.18, 1,241,302.64 and 512,311.52 is: 706,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,496.18 : 1,241,302.64 = 512,311.52 : x
  2. Step 2: Convert to fraction form
    899,496.18/1,241,302.64 = 512,311.52/x
  3. Step 3: Cross multiply
    899,496.18x = 1,241,302.64 × 512,311.52
  4. Step 4: Simplify right side
    899,496.18x = 635,933,642,278.41
  5. Step 5: Solve for x
    x = 635,933,642,278.41/899,496.18
  6. Step 6: Final answer
    x = 706,988.71

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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.