Home / 808,869.60-1,213,304.40-651,405.60

Finding the Fourth Proportional to 808,869.60, 1,213,304.40 and 651,405.60

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Solution

The fourth proportional to 808,869.60, 1,213,304.40 and 651,405.60 is: 977,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,869.60 : 1,213,304.40 = 651,405.60 : x
  2. Step 2: Convert to fraction form
    808,869.60/1,213,304.40 = 651,405.60/x
  3. Step 3: Cross multiply
    808,869.60x = 1,213,304.40 × 651,405.60
  4. Step 4: Simplify right side
    808,869.60x = 790,353,280,664.64
  5. Step 5: Solve for x
    x = 790,353,280,664.64/808,869.60
  6. Step 6: Final answer
    x = 977,108.40

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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.