Home / 970,346.40-1,455,519.60-550,442.40

Finding the Fourth Proportional to 970,346.40, 1,455,519.60 and 550,442.40

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Solution

The fourth proportional to 970,346.40, 1,455,519.60 and 550,442.40 is: 825,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,346.40 : 1,455,519.60 = 550,442.40 : x
  2. Step 2: Convert to fraction form
    970,346.40/1,455,519.60 = 550,442.40/x
  3. Step 3: Cross multiply
    970,346.40x = 1,455,519.60 × 550,442.40
  4. Step 4: Simplify right side
    970,346.40x = 801,179,701,871.04
  5. Step 5: Solve for x
    x = 801,179,701,871.04/970,346.40
  6. Step 6: Final answer
    x = 825,663.60

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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.