Home / 884,349.66-1,326,804.86-315,718.56

Finding the Fourth Proportional to 884,349.66, 1,326,804.86 and 315,718.56

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Solution

The fourth proportional to 884,349.66, 1,326,804.86 and 315,718.56 is: 473,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,349.66 : 1,326,804.86 = 315,718.56 : x
  2. Step 2: Convert to fraction form
    884,349.66/1,326,804.86 = 315,718.56/x
  3. Step 3: Cross multiply
    884,349.66x = 1,326,804.86 × 315,718.56
  4. Step 4: Simplify right side
    884,349.66x = 418,896,918,221.61
  5. Step 5: Solve for x
    x = 418,896,918,221.61/884,349.66
  6. Step 6: Final answer
    x = 473,677.93

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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.