Home / 1,011,700.12-1,517,100.90-538,285.72

Finding the Fourth Proportional to 1,011,700.12, 1,517,100.90 and 538,285.72

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Solution

The fourth proportional to 1,011,700.12, 1,517,100.90 and 538,285.72 is: 807,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,700.12 : 1,517,100.90 = 538,285.72 : x
  2. Step 2: Convert to fraction form
    1,011,700.12/1,517,100.90 = 538,285.72/x
  3. Step 3: Cross multiply
    1,011,700.12x = 1,517,100.90 × 538,285.72
  4. Step 4: Simplify right side
    1,011,700.12x = 816,633,750,269.15
  5. Step 5: Solve for x
    x = 816,633,750,269.15/1,011,700.12
  6. Step 6: Final answer
    x = 807,189.54

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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.