Home / 927,832.12-1,280,387.51-540,623.41

Finding the Fourth Proportional to 927,832.12, 1,280,387.51 and 540,623.41

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Solution

The fourth proportional to 927,832.12, 1,280,387.51 and 540,623.41 is: 746,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,832.12 : 1,280,387.51 = 540,623.41 : x
  2. Step 2: Convert to fraction form
    927,832.12/1,280,387.51 = 540,623.41/x
  3. Step 3: Cross multiply
    927,832.12x = 1,280,387.51 × 540,623.41
  4. Step 4: Simplify right side
    927,832.12x = 692,207,459,074.49
  5. Step 5: Solve for x
    x = 692,207,459,074.49/927,832.12
  6. Step 6: Final answer
    x = 746,048.17

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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.