Home / 554,377.60-831,566.40-355,087.23

Finding the Fourth Proportional to 554,377.60, 831,566.40 and 355,087.23

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Solution

The fourth proportional to 554,377.60, 831,566.40 and 355,087.23 is: 532,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,377.60 : 831,566.40 = 355,087.23 : x
  2. Step 2: Convert to fraction form
    554,377.60/831,566.40 = 355,087.23/x
  3. Step 3: Cross multiply
    554,377.60x = 831,566.40 × 355,087.23
  4. Step 4: Simplify right side
    554,377.60x = 295,278,605,379.24
  5. Step 5: Solve for x
    x = 295,278,605,379.24/554,377.60
  6. Step 6: Final answer
    x = 532,630.84

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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.