Home / 922,911.74-1,273,106.46-540,864.72

Finding the Fourth Proportional to 922,911.74, 1,273,106.46 and 540,864.72

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Solution

The fourth proportional to 922,911.74, 1,273,106.46 and 540,864.72 is: 746,093.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,911.74 : 1,273,106.46 = 540,864.72 : x
  2. Step 2: Convert to fraction form
    922,911.74/1,273,106.46 = 540,864.72/x
  3. Step 3: Cross multiply
    922,911.74x = 1,273,106.46 × 540,864.72
  4. Step 4: Simplify right side
    922,911.74x = 688,578,369,018.09
  5. Step 5: Solve for x
    x = 688,578,369,018.09/922,911.74
  6. Step 6: Final answer
    x = 746,093.41

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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.