Home / 657,339.09-986,117.64-230,764.20

Finding the Fourth Proportional to 657,339.09, 986,117.64 and 230,764.20

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Solution

The fourth proportional to 657,339.09, 986,117.64 and 230,764.20 is: 346,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,339.09 : 986,117.64 = 230,764.20 : x
  2. Step 2: Convert to fraction form
    657,339.09/986,117.64 = 230,764.20/x
  3. Step 3: Cross multiply
    657,339.09x = 986,117.64 × 230,764.20
  4. Step 4: Simplify right side
    657,339.09x = 227,560,648,300.49
  5. Step 5: Solve for x
    x = 227,560,648,300.49/657,339.09
  6. Step 6: Final answer
    x = 346,184.57

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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.