Home / 1,118,564.86-1,543,657.89-635,113.93

Finding the Fourth Proportional to 1,118,564.86, 1,543,657.89 and 635,113.93

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Solution

The fourth proportional to 1,118,564.86, 1,543,657.89 and 635,113.93 is: 876,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,564.86 : 1,543,657.89 = 635,113.93 : x
  2. Step 2: Convert to fraction form
    1,118,564.86/1,543,657.89 = 635,113.93/x
  3. Step 3: Cross multiply
    1,118,564.86x = 1,543,657.89 × 635,113.93
  4. Step 4: Simplify right side
    1,118,564.86x = 980,398,629,093.41
  5. Step 5: Solve for x
    x = 980,398,629,093.41/1,118,564.86
  6. Step 6: Final answer
    x = 876,479.02

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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.