Home / 370,638.72-511,293.06-234,443.16

Finding the Fourth Proportional to 370,638.72, 511,293.06 and 234,443.16

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Solution

The fourth proportional to 370,638.72, 511,293.06 and 234,443.16 is: 323,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,638.72 : 511,293.06 = 234,443.16 : x
  2. Step 2: Convert to fraction form
    370,638.72/511,293.06 = 234,443.16/x
  3. Step 3: Cross multiply
    370,638.72x = 511,293.06 × 234,443.16
  4. Step 4: Simplify right side
    370,638.72x = 119,869,160,672.47
  5. Step 5: Solve for x
    x = 119,869,160,672.47/370,638.72
  6. Step 6: Final answer
    x = 323,412.41

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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.