Home / 665,966.56-919,033.80-364,160.56

Finding the Fourth Proportional to 665,966.56, 919,033.80 and 364,160.56

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Solution

The fourth proportional to 665,966.56, 919,033.80 and 364,160.56 is: 502,541.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,966.56 : 919,033.80 = 364,160.56 : x
  2. Step 2: Convert to fraction form
    665,966.56/919,033.80 = 364,160.56/x
  3. Step 3: Cross multiply
    665,966.56x = 919,033.80 × 364,160.56
  4. Step 4: Simplify right side
    665,966.56x = 334,675,863,266.93
  5. Step 5: Solve for x
    x = 334,675,863,266.93/665,966.56
  6. Step 6: Final answer
    x = 502,541.54

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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.