Home / 923,432.40-1,385,148.60-292,395.60

Finding the Fourth Proportional to 923,432.40, 1,385,148.60 and 292,395.60

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Solution

The fourth proportional to 923,432.40, 1,385,148.60 and 292,395.60 is: 438,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,432.40 : 1,385,148.60 = 292,395.60 : x
  2. Step 2: Convert to fraction form
    923,432.40/1,385,148.60 = 292,395.60/x
  3. Step 3: Cross multiply
    923,432.40x = 1,385,148.60 × 292,395.60
  4. Step 4: Simplify right side
    923,432.40x = 405,011,355,986.16
  5. Step 5: Solve for x
    x = 405,011,355,986.16/923,432.40
  6. Step 6: Final answer
    x = 438,593.40

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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.