Home / 957,360.16-1,321,153.03-527,639.27

Finding the Fourth Proportional to 957,360.16, 1,321,153.03 and 527,639.27

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Solution

The fourth proportional to 957,360.16, 1,321,153.03 and 527,639.27 is: 728,139.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,360.16 : 1,321,153.03 = 527,639.27 : x
  2. Step 2: Convert to fraction form
    957,360.16/1,321,153.03 = 527,639.27/x
  3. Step 3: Cross multiply
    957,360.16x = 1,321,153.03 × 527,639.27
  4. Step 4: Simplify right side
    957,360.16x = 697,092,214,361.27
  5. Step 5: Solve for x
    x = 697,092,214,361.27/957,360.16
  6. Step 6: Final answer
    x = 728,139.99

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Double scale
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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.