Home / 887,029.80-1,330,544.70-552,200.10

Finding the Fourth Proportional to 887,029.80, 1,330,544.70 and 552,200.10

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Solution

The fourth proportional to 887,029.80, 1,330,544.70 and 552,200.10 is: 828,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,029.80 : 1,330,544.70 = 552,200.10 : x
  2. Step 2: Convert to fraction form
    887,029.80/1,330,544.70 = 552,200.10/x
  3. Step 3: Cross multiply
    887,029.80x = 1,330,544.70 × 552,200.10
  4. Step 4: Simplify right side
    887,029.80x = 734,726,916,394.47
  5. Step 5: Solve for x
    x = 734,726,916,394.47/887,029.80
  6. Step 6: Final answer
    x = 828,300.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.