Home / 546,923.12-754,752.42-305,203.10

Finding the Fourth Proportional to 546,923.12, 754,752.42 and 305,203.10

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Solution

The fourth proportional to 546,923.12, 754,752.42 and 305,203.10 is: 421,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,923.12 : 754,752.42 = 305,203.10 : x
  2. Step 2: Convert to fraction form
    546,923.12/754,752.42 = 305,203.10/x
  3. Step 3: Cross multiply
    546,923.12x = 754,752.42 × 305,203.10
  4. Step 4: Simplify right side
    546,923.12x = 230,352,778,316.50
  5. Step 5: Solve for x
    x = 230,352,778,316.50/546,923.12
  6. Step 6: Final answer
    x = 421,179.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.