Home / 970,266.80-1,455,400.20-339,244.40

Finding the Fourth Proportional to 970,266.80, 1,455,400.20 and 339,244.40

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Solution

The fourth proportional to 970,266.80, 1,455,400.20 and 339,244.40 is: 508,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,266.80 : 1,455,400.20 = 339,244.40 : x
  2. Step 2: Convert to fraction form
    970,266.80/1,455,400.20 = 339,244.40/x
  3. Step 3: Cross multiply
    970,266.80x = 1,455,400.20 × 339,244.40
  4. Step 4: Simplify right side
    970,266.80x = 493,736,367,608.88
  5. Step 5: Solve for x
    x = 493,736,367,608.88/970,266.80
  6. Step 6: Final answer
    x = 508,866.60

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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.