Home / 536,984.40-805,434.44-312,201.50

Finding the Fourth Proportional to 536,984.40, 805,434.44 and 312,201.50

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Solution

The fourth proportional to 536,984.40, 805,434.44 and 312,201.50 is: 468,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,984.40 : 805,434.44 = 312,201.50 : x
  2. Step 2: Convert to fraction form
    536,984.40/805,434.44 = 312,201.50/x
  3. Step 3: Cross multiply
    536,984.40x = 805,434.44 × 312,201.50
  4. Step 4: Simplify right side
    536,984.40x = 251,457,840,319.66
  5. Step 5: Solve for x
    x = 251,457,840,319.66/536,984.40
  6. Step 6: Final answer
    x = 468,277.74

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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.