Home / 456,922.20-685,307.70-153,312.60

Finding the Fourth Proportional to 456,922.20, 685,307.70 and 153,312.60

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Solution

The fourth proportional to 456,922.20, 685,307.70 and 153,312.60 is: 229,943.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,922.20 : 685,307.70 = 153,312.60 : x
  2. Step 2: Convert to fraction form
    456,922.20/685,307.70 = 153,312.60/x
  3. Step 3: Cross multiply
    456,922.20x = 685,307.70 × 153,312.60
  4. Step 4: Simplify right side
    456,922.20x = 105,066,305,287.02
  5. Step 5: Solve for x
    x = 105,066,305,287.02/456,922.20
  6. Step 6: Final answer
    x = 229,943.53

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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.