Home / 957,539.48-1,321,404.09-527,826.80

Finding the Fourth Proportional to 957,539.48, 1,321,404.09 and 527,826.80

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Solution

The fourth proportional to 957,539.48, 1,321,404.09 and 527,826.80 is: 728,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,539.48 : 1,321,404.09 = 527,826.80 : x
  2. Step 2: Convert to fraction form
    957,539.48/1,321,404.09 = 527,826.80/x
  3. Step 3: Cross multiply
    957,539.48x = 1,321,404.09 × 527,826.80
  4. Step 4: Simplify right side
    957,539.48x = 697,472,492,331.61
  5. Step 5: Solve for x
    x = 697,472,492,331.61/957,539.48
  6. Step 6: Final answer
    x = 728,400.77

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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.