Home / 1,156,128.66-1,595,485.89-646,864.02

Finding the Fourth Proportional to 1,156,128.66, 1,595,485.89 and 646,864.02

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Solution

The fourth proportional to 1,156,128.66, 1,595,485.89 and 646,864.02 is: 892,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,128.66 : 1,595,485.89 = 646,864.02 : x
  2. Step 2: Convert to fraction form
    1,156,128.66/1,595,485.89 = 646,864.02/x
  3. Step 3: Cross multiply
    1,156,128.66x = 1,595,485.89 × 646,864.02
  4. Step 4: Simplify right side
    1,156,128.66x = 1,032,062,416,658.68
  5. Step 5: Solve for x
    x = 1,032,062,416,658.68/1,156,128.66
  6. Step 6: Final answer
    x = 892,688.20

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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.