Home / 790,543.76-1,090,949.04-427,967.48

Finding the Fourth Proportional to 790,543.76, 1,090,949.04 and 427,967.48

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Solution

The fourth proportional to 790,543.76, 1,090,949.04 and 427,967.48 is: 590,594.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,543.76 : 1,090,949.04 = 427,967.48 : x
  2. Step 2: Convert to fraction form
    790,543.76/1,090,949.04 = 427,967.48/x
  3. Step 3: Cross multiply
    790,543.76x = 1,090,949.04 × 427,967.48
  4. Step 4: Simplify right side
    790,543.76x = 466,890,711,457.22
  5. Step 5: Solve for x
    x = 466,890,711,457.22/790,543.76
  6. Step 6: Final answer
    x = 590,594.39

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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.