Home / 424,564.02-585,939.78-316,947.24

Finding the Fourth Proportional to 424,564.02, 585,939.78 and 316,947.24

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Solution

The fourth proportional to 424,564.02, 585,939.78 and 316,947.24 is: 437,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,564.02 : 585,939.78 = 316,947.24 : x
  2. Step 2: Convert to fraction form
    424,564.02/585,939.78 = 316,947.24/x
  3. Step 3: Cross multiply
    424,564.02x = 585,939.78 × 316,947.24
  4. Step 4: Simplify right side
    424,564.02x = 185,711,996,077.21
  5. Step 5: Solve for x
    x = 185,711,996,077.21/424,564.02
  6. Step 6: Final answer
    x = 437,418.12

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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.