Home / 920,519.07-1,270,059.66-593,693.79

Finding the Fourth Proportional to 920,519.07, 1,270,059.66 and 593,693.79

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Solution

The fourth proportional to 920,519.07, 1,270,059.66 and 593,693.79 is: 819,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,519.07 : 1,270,059.66 = 593,693.79 : x
  2. Step 2: Convert to fraction form
    920,519.07/1,270,059.66 = 593,693.79/x
  3. Step 3: Cross multiply
    920,519.07x = 1,270,059.66 × 593,693.79
  4. Step 4: Simplify right side
    920,519.07x = 754,026,533,071.51
  5. Step 5: Solve for x
    x = 754,026,533,071.51/920,519.07
  6. Step 6: Final answer
    x = 819,131.90

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.