Home / 705,195.57-972,929.56-450,693.57

Finding the Fourth Proportional to 705,195.57, 972,929.56 and 450,693.57

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Solution

The fourth proportional to 705,195.57, 972,929.56 and 450,693.57 is: 621,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,195.57 : 972,929.56 = 450,693.57 : x
  2. Step 2: Convert to fraction form
    705,195.57/972,929.56 = 450,693.57/x
  3. Step 3: Cross multiply
    705,195.57x = 972,929.56 × 450,693.57
  4. Step 4: Simplify right side
    705,195.57x = 438,493,096,754.93
  5. Step 5: Solve for x
    x = 438,493,096,754.93/705,195.57
  6. Step 6: Final answer
    x = 621,803.53

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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.