Home / 883,935.22-1,219,773.14-521,275.94

Finding the Fourth Proportional to 883,935.22, 1,219,773.14 and 521,275.94

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Solution

The fourth proportional to 883,935.22, 1,219,773.14 and 521,275.94 is: 719,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,935.22 : 1,219,773.14 = 521,275.94 : x
  2. Step 2: Convert to fraction form
    883,935.22/1,219,773.14 = 521,275.94/x
  3. Step 3: Cross multiply
    883,935.22x = 1,219,773.14 × 521,275.94
  4. Step 4: Simplify right side
    883,935.22x = 635,838,390,140.25
  5. Step 5: Solve for x
    x = 635,838,390,140.25/883,935.22
  6. Step 6: Final answer
    x = 719,326.91

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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.