Home / 957,643.10-1,321,551.47-527,913.80

Finding the Fourth Proportional to 957,643.10, 1,321,551.47 and 527,913.80

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Solution

The fourth proportional to 957,643.10, 1,321,551.47 and 527,913.80 is: 728,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,643.10 : 1,321,551.47 = 527,913.80 : x
  2. Step 2: Convert to fraction form
    957,643.10/1,321,551.47 = 527,913.80/x
  3. Step 3: Cross multiply
    957,643.10x = 1,321,551.47 × 527,913.80
  4. Step 4: Simplify right side
    957,643.10x = 697,665,258,423.29
  5. Step 5: Solve for x
    x = 697,665,258,423.29/957,643.10
  6. Step 6: Final answer
    x = 728,523.24

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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.