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Finding the Fourth Proportional to 1,169,597.12, 1,614,012 and 660,346.88

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Solution

The fourth proportional to 1,169,597.12, 1,614,012 and 660,346.88 is: 911,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,597.12 : 1,614,012 = 660,346.88 : x
  2. Step 2: Convert to fraction form
    1,169,597.12/1,614,012 = 660,346.88/x
  3. Step 3: Cross multiply
    1,169,597.12x = 1,614,012 × 660,346.88
  4. Step 4: Simplify right side
    1,169,597.12x = 1,065,807,788,482.56
  5. Step 5: Solve for x
    x = 1,065,807,788,482.56/1,169,597.12
  6. Step 6: Final answer
    x = 911,260.61

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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.