Home / 501,785.10-692,438.02-297,844.92

Finding the Fourth Proportional to 501,785.10, 692,438.02 and 297,844.92

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Solution

The fourth proportional to 501,785.10, 692,438.02 and 297,844.92 is: 411,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,785.10 : 692,438.02 = 297,844.92 : x
  2. Step 2: Convert to fraction form
    501,785.10/692,438.02 = 297,844.92/x
  3. Step 3: Cross multiply
    501,785.10x = 692,438.02 × 297,844.92
  4. Step 4: Simplify right side
    501,785.10x = 206,239,145,927.25
  5. Step 5: Solve for x
    x = 206,239,145,927.25/501,785.10
  6. Step 6: Final answer
    x = 411,010.90

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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.