Home / 628,001.70-942,002.55-606,350.40

Finding the Fourth Proportional to 628,001.70, 942,002.55 and 606,350.40

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Solution

The fourth proportional to 628,001.70, 942,002.55 and 606,350.40 is: 909,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,001.70 : 942,002.55 = 606,350.40 : x
  2. Step 2: Convert to fraction form
    628,001.70/942,002.55 = 606,350.40/x
  3. Step 3: Cross multiply
    628,001.70x = 942,002.55 × 606,350.40
  4. Step 4: Simplify right side
    628,001.70x = 571,183,622,993.52
  5. Step 5: Solve for x
    x = 571,183,622,993.52/628,001.70
  6. Step 6: Final answer
    x = 909,525.60

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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.