Home / 980,582.13-1,352,657.23-911,225.16

Finding the Fourth Proportional to 980,582.13, 1,352,657.23 and 911,225.16

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Solution

The fourth proportional to 980,582.13, 1,352,657.23 and 911,225.16 is: 1,256,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,582.13 : 1,352,657.23 = 911,225.16 : x
  2. Step 2: Convert to fraction form
    980,582.13/1,352,657.23 = 911,225.16/x
  3. Step 3: Cross multiply
    980,582.13x = 1,352,657.23 × 911,225.16
  4. Step 4: Simplify right side
    980,582.13x = 1,232,575,298,553.84
  5. Step 5: Solve for x
    x = 1,232,575,298,553.84/980,582.13
  6. Step 6: Final answer
    x = 1,256,983.24

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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.