Home / 560,823.16-773,980.14-319,115.92

Finding the Fourth Proportional to 560,823.16, 773,980.14 and 319,115.92

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Solution

The fourth proportional to 560,823.16, 773,980.14 and 319,115.92 is: 440,405.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,823.16 : 773,980.14 = 319,115.92 : x
  2. Step 2: Convert to fraction form
    560,823.16/773,980.14 = 319,115.92/x
  3. Step 3: Cross multiply
    560,823.16x = 773,980.14 × 319,115.92
  4. Step 4: Simplify right side
    560,823.16x = 246,989,384,437.83
  5. Step 5: Solve for x
    x = 246,989,384,437.83/560,823.16
  6. Step 6: Final answer
    x = 440,405.11

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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.