Home / 957,641.10-1,321,548.71-527,911.80

Finding the Fourth Proportional to 957,641.10, 1,321,548.71 and 527,911.80

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Solution

The fourth proportional to 957,641.10, 1,321,548.71 and 527,911.80 is: 728,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,641.10 : 1,321,548.71 = 527,911.80 : x
  2. Step 2: Convert to fraction form
    957,641.10/1,321,548.71 = 527,911.80/x
  3. Step 3: Cross multiply
    957,641.10x = 1,321,548.71 × 527,911.80
  4. Step 4: Simplify right side
    957,641.10x = 697,661,158,283.78
  5. Step 5: Solve for x
    x = 697,661,158,283.78/957,641.10
  6. Step 6: Final answer
    x = 728,520.48

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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.