Home / 1,122,056.10-1,683,084.15-786,132.90

Finding the Fourth Proportional to 1,122,056.10, 1,683,084.15 and 786,132.90

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Solution

The fourth proportional to 1,122,056.10, 1,683,084.15 and 786,132.90 is: 1,179,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,056.10 : 1,683,084.15 = 786,132.90 : x
  2. Step 2: Convert to fraction form
    1,122,056.10/1,683,084.15 = 786,132.90/x
  3. Step 3: Cross multiply
    1,122,056.10x = 1,683,084.15 × 786,132.90
  4. Step 4: Simplify right side
    1,122,056.10x = 1,323,127,823,783.53
  5. Step 5: Solve for x
    x = 1,323,127,823,783.53/1,122,056.10
  6. Step 6: Final answer
    x = 1,179,199.35

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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.