Home / 864,259.40-1,192,567.94-482,302.28

Finding the Fourth Proportional to 864,259.40, 1,192,567.94 and 482,302.28

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Solution

The fourth proportional to 864,259.40, 1,192,567.94 and 482,302.28 is: 665,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,259.40 : 1,192,567.94 = 482,302.28 : x
  2. Step 2: Convert to fraction form
    864,259.40/1,192,567.94 = 482,302.28/x
  3. Step 3: Cross multiply
    864,259.40x = 1,192,567.94 × 482,302.28
  4. Step 4: Simplify right side
    864,259.40x = 575,178,236,516.90
  5. Step 5: Solve for x
    x = 575,178,236,516.90/864,259.40
  6. Step 6: Final answer
    x = 665,515.74

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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.