Home / 808,868.60-1,213,302.90-651,404.60

Finding the Fourth Proportional to 808,868.60, 1,213,302.90 and 651,404.60

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Solution

The fourth proportional to 808,868.60, 1,213,302.90 and 651,404.60 is: 977,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,868.60 : 1,213,302.90 = 651,404.60 : x
  2. Step 2: Convert to fraction form
    808,868.60/1,213,302.90 = 651,404.60/x
  3. Step 3: Cross multiply
    808,868.60x = 1,213,302.90 × 651,404.60
  4. Step 4: Simplify right side
    808,868.60x = 790,351,090,253.34
  5. Step 5: Solve for x
    x = 790,351,090,253.34/808,868.60
  6. Step 6: Final answer
    x = 977,106.90

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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.