Home / 1,094,497.80-1,641,746.70-385,326.60

Finding the Fourth Proportional to 1,094,497.80, 1,641,746.70 and 385,326.60

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Solution

The fourth proportional to 1,094,497.80, 1,641,746.70 and 385,326.60 is: 577,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,497.80 : 1,641,746.70 = 385,326.60 : x
  2. Step 2: Convert to fraction form
    1,094,497.80/1,641,746.70 = 385,326.60/x
  3. Step 3: Cross multiply
    1,094,497.80x = 1,641,746.70 × 385,326.60
  4. Step 4: Simplify right side
    1,094,497.80x = 632,608,673,972.22
  5. Step 5: Solve for x
    x = 632,608,673,972.22/1,094,497.80
  6. Step 6: Final answer
    x = 577,989.90

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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.