Home / 648,066.20-972,099.30-606,594.20

Finding the Fourth Proportional to 648,066.20, 972,099.30 and 606,594.20

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Solution

The fourth proportional to 648,066.20, 972,099.30 and 606,594.20 is: 909,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,066.20 : 972,099.30 = 606,594.20 : x
  2. Step 2: Convert to fraction form
    648,066.20/972,099.30 = 606,594.20/x
  3. Step 3: Cross multiply
    648,066.20x = 972,099.30 × 606,594.20
  4. Step 4: Simplify right side
    648,066.20x = 589,669,797,204.06
  5. Step 5: Solve for x
    x = 589,669,797,204.06/648,066.20
  6. Step 6: Final answer
    x = 909,891.30

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Half scale
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Double scale
Find fourth proportional to 648,067.20, 972,100.80 and 606,595.20
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.