Home / 882,036.23-1,321,384.92-521,127.77

Finding the Fourth Proportional to 882,036.23, 1,321,384.92 and 521,127.77

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Solution

The fourth proportional to 882,036.23, 1,321,384.92 and 521,127.77 is: 780,705.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,036.23 : 1,321,384.92 = 521,127.77 : x
  2. Step 2: Convert to fraction form
    882,036.23/1,321,384.92 = 521,127.77/x
  3. Step 3: Cross multiply
    882,036.23x = 1,321,384.92 × 521,127.77
  4. Step 4: Simplify right side
    882,036.23x = 688,610,376,671.23
  5. Step 5: Solve for x
    x = 688,610,376,671.23/882,036.23
  6. Step 6: Final answer
    x = 780,705.32

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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.