Home / 1,459,411.20-2,189,116.80-512,877.60

Finding the Fourth Proportional to 1,459,411.20, 2,189,116.80 and 512,877.60

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Solution

The fourth proportional to 1,459,411.20, 2,189,116.80 and 512,877.60 is: 769,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459,411.20 : 2,189,116.80 = 512,877.60 : x
  2. Step 2: Convert to fraction form
    1,459,411.20/2,189,116.80 = 512,877.60/x
  3. Step 3: Cross multiply
    1,459,411.20x = 2,189,116.80 × 512,877.60
  4. Step 4: Simplify right side
    1,459,411.20x = 1,122,748,970,503.68
  5. Step 5: Solve for x
    x = 1,122,748,970,503.68/1,459,411.20
  6. Step 6: Final answer
    x = 769,316.40

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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.