Home / 864,325.98-1,192,788.96-477,140.50

Finding the Fourth Proportional to 864,325.98, 1,192,788.96 and 477,140.50

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Solution

The fourth proportional to 864,325.98, 1,192,788.96 and 477,140.50 is: 658,464.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,325.98 : 1,192,788.96 = 477,140.50 : x
  2. Step 2: Convert to fraction form
    864,325.98/1,192,788.96 = 477,140.50/x
  3. Step 3: Cross multiply
    864,325.98x = 1,192,788.96 × 477,140.50
  4. Step 4: Simplify right side
    864,325.98x = 569,127,920,470.59
  5. Step 5: Solve for x
    x = 569,127,920,470.59/864,325.98
  6. Step 6: Final answer
    x = 658,464.44

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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.