Home / 1,177,937.78-1,625,509.84-719,818.38

Finding the Fourth Proportional to 1,177,937.78, 1,625,509.84 and 719,818.38

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Solution

The fourth proportional to 1,177,937.78, 1,625,509.84 and 719,818.38 is: 993,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,937.78 : 1,625,509.84 = 719,818.38 : x
  2. Step 2: Convert to fraction form
    1,177,937.78/1,625,509.84 = 719,818.38/x
  3. Step 3: Cross multiply
    1,177,937.78x = 1,625,509.84 × 719,818.38
  4. Step 4: Simplify right side
    1,177,937.78x = 1,170,071,859,702.86
  5. Step 5: Solve for x
    x = 1,170,071,859,702.86/1,177,937.78
  6. Step 6: Final answer
    x = 993,322.30

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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.