Home / 1,725,495.60-2,588,219.10-778,864.80

Finding the Fourth Proportional to 1,725,495.60, 2,588,219.10 and 778,864.80

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Solution

The fourth proportional to 1,725,495.60, 2,588,219.10 and 778,864.80 is: 1,168,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,495.60 : 2,588,219.10 = 778,864.80 : x
  2. Step 2: Convert to fraction form
    1,725,495.60/2,588,219.10 = 778,864.80/x
  3. Step 3: Cross multiply
    1,725,495.60x = 2,588,219.10 × 778,864.80
  4. Step 4: Simplify right side
    1,725,495.60x = 2,015,872,751,677.68
  5. Step 5: Solve for x
    x = 2,015,872,751,677.68/1,725,495.60
  6. Step 6: Final answer
    x = 1,168,286.23

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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.