Home / 558,686.44-771,012.67-329,253.41

Finding the Fourth Proportional to 558,686.44, 771,012.67 and 329,253.41

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Solution

The fourth proportional to 558,686.44, 771,012.67 and 329,253.41 is: 454,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,686.44 : 771,012.67 = 329,253.41 : x
  2. Step 2: Convert to fraction form
    558,686.44/771,012.67 = 329,253.41/x
  3. Step 3: Cross multiply
    558,686.44x = 771,012.67 × 329,253.41
  4. Step 4: Simplify right side
    558,686.44x = 253,858,547,583.31
  5. Step 5: Solve for x
    x = 253,858,547,583.31/558,686.44
  6. Step 6: Final answer
    x = 454,384.66

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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.