Home / 1,085,156.16-1,627,938.36-436,781.88

Finding the Fourth Proportional to 1,085,156.16, 1,627,938.36 and 436,781.88

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Solution

The fourth proportional to 1,085,156.16, 1,627,938.36 and 436,781.88 is: 655,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,156.16 : 1,627,938.36 = 436,781.88 : x
  2. Step 2: Convert to fraction form
    1,085,156.16/1,627,938.36 = 436,781.88/x
  3. Step 3: Cross multiply
    1,085,156.16x = 1,627,938.36 × 436,781.88
  4. Step 4: Simplify right side
    1,085,156.16x = 711,053,977,404.92
  5. Step 5: Solve for x
    x = 711,053,977,404.92/1,085,156.16
  6. Step 6: Final answer
    x = 655,254.98

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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.