Home / 1,200,653.64-1,656,916.00-656,777.72

Finding the Fourth Proportional to 1,200,653.64, 1,656,916.00 and 656,777.72

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Solution

The fourth proportional to 1,200,653.64, 1,656,916.00 and 656,777.72 is: 906,360.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,653.64 : 1,656,916.00 = 656,777.72 : x
  2. Step 2: Convert to fraction form
    1,200,653.64/1,656,916.00 = 656,777.72/x
  3. Step 3: Cross multiply
    1,200,653.64x = 1,656,916.00 × 656,777.72
  4. Step 4: Simplify right side
    1,200,653.64x = 1,088,225,515,211.87
  5. Step 5: Solve for x
    x = 1,088,225,515,211.87/1,200,653.64
  6. Step 6: Final answer
    x = 906,360.90

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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.