Home / 953,428.84-1,315,405.90-545,382.02

Finding the Fourth Proportional to 953,428.84, 1,315,405.90 and 545,382.02

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Solution

The fourth proportional to 953,428.84, 1,315,405.90 and 545,382.02 is: 752,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,428.84 : 1,315,405.90 = 545,382.02 : x
  2. Step 2: Convert to fraction form
    953,428.84/1,315,405.90 = 545,382.02/x
  3. Step 3: Cross multiply
    953,428.84x = 1,315,405.90 × 545,382.02
  4. Step 4: Simplify right side
    953,428.84x = 717,398,726,861.92
  5. Step 5: Solve for x
    x = 717,398,726,861.92/953,428.84
  6. Step 6: Final answer
    x = 752,440.77

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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.