Home / 1,260,365.70-1,890,548.55-461,381.70

Finding the Fourth Proportional to 1,260,365.70, 1,890,548.55 and 461,381.70

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Solution

The fourth proportional to 1,260,365.70, 1,890,548.55 and 461,381.70 is: 692,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,365.70 : 1,890,548.55 = 461,381.70 : x
  2. Step 2: Convert to fraction form
    1,260,365.70/1,890,548.55 = 461,381.70/x
  3. Step 3: Cross multiply
    1,260,365.70x = 1,890,548.55 × 461,381.70
  4. Step 4: Simplify right side
    1,260,365.70x = 872,264,503,931.54
  5. Step 5: Solve for x
    x = 872,264,503,931.54/1,260,365.70
  6. Step 6: Final answer
    x = 692,072.55

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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.