Home / 546,918.48-820,434.96-147,562.56

Finding the Fourth Proportional to 546,918.48, 820,434.96 and 147,562.56

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Solution

The fourth proportional to 546,918.48, 820,434.96 and 147,562.56 is: 221,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,918.48 : 820,434.96 = 147,562.56 : x
  2. Step 2: Convert to fraction form
    546,918.48/820,434.96 = 147,562.56/x
  3. Step 3: Cross multiply
    546,918.48x = 820,434.96 × 147,562.56
  4. Step 4: Simplify right side
    546,918.48x = 121,065,483,011.10
  5. Step 5: Solve for x
    x = 121,065,483,011.10/546,918.48
  6. Step 6: Final answer
    x = 221,359.28

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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.