Home / 921,180.33-1,271,231.46-534,070.80

Finding the Fourth Proportional to 921,180.33, 1,271,231.46 and 534,070.80

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Solution

The fourth proportional to 921,180.33, 1,271,231.46 and 534,070.80 is: 737,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,180.33 : 1,271,231.46 = 534,070.80 : x
  2. Step 2: Convert to fraction form
    921,180.33/1,271,231.46 = 534,070.80/x
  3. Step 3: Cross multiply
    921,180.33x = 1,271,231.46 × 534,070.80
  4. Step 4: Simplify right side
    921,180.33x = 678,927,602,827.37
  5. Step 5: Solve for x
    x = 678,927,602,827.37/921,180.33
  6. Step 6: Final answer
    x = 737,019.21

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.