Home / 648,220.22-972,330.30-174,905.57

Finding the Fourth Proportional to 648,220.22, 972,330.30 and 174,905.57

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Solution

The fourth proportional to 648,220.22, 972,330.30 and 174,905.57 is: 262,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,220.22 : 972,330.30 = 174,905.57 : x
  2. Step 2: Convert to fraction form
    648,220.22/972,330.30 = 174,905.57/x
  3. Step 3: Cross multiply
    648,220.22x = 972,330.30 × 174,905.57
  4. Step 4: Simplify right side
    648,220.22x = 170,065,980,488.12
  5. Step 5: Solve for x
    x = 170,065,980,488.12/648,220.22
  6. Step 6: Final answer
    x = 262,358.34

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Double scale
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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.