Home / 970,348.80-1,455,523.20-492,051.90

Finding the Fourth Proportional to 970,348.80, 1,455,523.20 and 492,051.90

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Solution

The fourth proportional to 970,348.80, 1,455,523.20 and 492,051.90 is: 738,077.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,348.80 : 1,455,523.20 = 492,051.90 : x
  2. Step 2: Convert to fraction form
    970,348.80/1,455,523.20 = 492,051.90/x
  3. Step 3: Cross multiply
    970,348.80x = 1,455,523.20 × 492,051.90
  4. Step 4: Simplify right side
    970,348.80x = 716,192,956,054.08
  5. Step 5: Solve for x
    x = 716,192,956,054.08/970,348.80
  6. Step 6: Final answer
    x = 738,077.85

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Double scale
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Similar ratio
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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.