Home / 926,273.73-1,278,230.29-512,828.94

Finding the Fourth Proportional to 926,273.73, 1,278,230.29 and 512,828.94

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Solution

The fourth proportional to 926,273.73, 1,278,230.29 and 512,828.94 is: 707,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,273.73 : 1,278,230.29 = 512,828.94 : x
  2. Step 2: Convert to fraction form
    926,273.73/1,278,230.29 = 512,828.94/x
  3. Step 3: Cross multiply
    926,273.73x = 1,278,230.29 × 512,828.94
  4. Step 4: Simplify right side
    926,273.73x = 655,513,481,017.84
  5. Step 5: Solve for x
    x = 655,513,481,017.84/926,273.73
  6. Step 6: Final answer
    x = 707,688.73

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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.