Home / 918,627.32-1,267,747.90-510,771.04

Finding the Fourth Proportional to 918,627.32, 1,267,747.90 and 510,771.04

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Solution

The fourth proportional to 918,627.32, 1,267,747.90 and 510,771.04 is: 704,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,627.32 : 1,267,747.90 = 510,771.04 : x
  2. Step 2: Convert to fraction form
    918,627.32/1,267,747.90 = 510,771.04/x
  3. Step 3: Cross multiply
    918,627.32x = 1,267,747.90 × 510,771.04
  4. Step 4: Simplify right side
    918,627.32x = 647,528,913,340.82
  5. Step 5: Solve for x
    x = 647,528,913,340.82/918,627.32
  6. Step 6: Final answer
    x = 704,887.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.