Home / 537,966.40-805,567.20-396,961.60

Finding the Fourth Proportional to 537,966.40, 805,567.20 and 396,961.60

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Solution

The fourth proportional to 537,966.40, 805,567.20 and 396,961.60 is: 594,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,966.40 : 805,567.20 = 396,961.60 : x
  2. Step 2: Convert to fraction form
    537,966.40/805,567.20 = 396,961.60/x
  3. Step 3: Cross multiply
    537,966.40x = 805,567.20 × 396,961.60
  4. Step 4: Simplify right side
    537,966.40x = 319,779,244,619.52
  5. Step 5: Solve for x
    x = 319,779,244,619.52/537,966.40
  6. Step 6: Final answer
    x = 594,422.34

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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.