Home / 922,665.44-1,273,278.48-520,257.44

Finding the Fourth Proportional to 922,665.44, 1,273,278.48 and 520,257.44

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Solution

The fourth proportional to 922,665.44, 1,273,278.48 and 520,257.44 is: 717,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,665.44 : 1,273,278.48 = 520,257.44 : x
  2. Step 2: Convert to fraction form
    922,665.44/1,273,278.48 = 520,257.44/x
  3. Step 3: Cross multiply
    922,665.44x = 1,273,278.48 × 520,257.44
  4. Step 4: Simplify right side
    922,665.44x = 662,432,602,411.89
  5. Step 5: Solve for x
    x = 662,432,602,411.89/922,665.44
  6. Step 6: Final answer
    x = 717,955.36

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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.