Home / 571,927.30-857,084.54-315,875.31

Finding the Fourth Proportional to 571,927.30, 857,084.54 and 315,875.31

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Solution

The fourth proportional to 571,927.30, 857,084.54 and 315,875.31 is: 473,367.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,927.30 : 857,084.54 = 315,875.31 : x
  2. Step 2: Convert to fraction form
    571,927.30/857,084.54 = 315,875.31/x
  3. Step 3: Cross multiply
    571,927.30x = 857,084.54 × 315,875.31
  4. Step 4: Simplify right side
    571,927.30x = 270,731,846,573.16
  5. Step 5: Solve for x
    x = 270,731,846,573.16/571,927.30
  6. Step 6: Final answer
    x = 473,367.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.