Home / 563,409.12-845,445.80-208,672.24

Finding the Fourth Proportional to 563,409.12, 845,445.80 and 208,672.24

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Solution

The fourth proportional to 563,409.12, 845,445.80 and 208,672.24 is: 313,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,409.12 : 845,445.80 = 208,672.24 : x
  2. Step 2: Convert to fraction form
    563,409.12/845,445.80 = 208,672.24/x
  3. Step 3: Cross multiply
    563,409.12x = 845,445.80 × 208,672.24
  4. Step 4: Simplify right side
    563,409.12x = 176,421,068,884.59
  5. Step 5: Solve for x
    x = 176,421,068,884.59/563,409.12
  6. Step 6: Final answer
    x = 313,131.37

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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.