Home / 1,812,807.60-2,719,211.40-972,999.60

Finding the Fourth Proportional to 1,812,807.60, 2,719,211.40 and 972,999.60

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Solution

The fourth proportional to 1,812,807.60, 2,719,211.40 and 972,999.60 is: 1,459,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,807.60 : 2,719,211.40 = 972,999.60 : x
  2. Step 2: Convert to fraction form
    1,812,807.60/2,719,211.40 = 972,999.60/x
  3. Step 3: Cross multiply
    1,812,807.60x = 2,719,211.40 × 972,999.60
  4. Step 4: Simplify right side
    1,812,807.60x = 2,645,791,604,515.44
  5. Step 5: Solve for x
    x = 2,645,791,604,515.44/1,812,807.60
  6. Step 6: Final answer
    x = 1,459,499.40

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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.