Home / 657,741.84-986,213.24-257,903.58

Finding the Fourth Proportional to 657,741.84, 986,213.24 and 257,903.58

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Solution

The fourth proportional to 657,741.84, 986,213.24 and 257,903.58 is: 386,698.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,741.84 : 986,213.24 = 257,903.58 : x
  2. Step 2: Convert to fraction form
    657,741.84/986,213.24 = 257,903.58/x
  3. Step 3: Cross multiply
    657,741.84x = 986,213.24 × 257,903.58
  4. Step 4: Simplify right side
    657,741.84x = 254,347,925,239.40
  5. Step 5: Solve for x
    x = 254,347,925,239.40/657,741.84
  6. Step 6: Final answer
    x = 386,698.72

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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.