Home / 1,725,616.60-2,588,400.60-778,985.80

Finding the Fourth Proportional to 1,725,616.60, 2,588,400.60 and 778,985.80

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Solution

The fourth proportional to 1,725,616.60, 2,588,400.60 and 778,985.80 is: 1,168,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,616.60 : 2,588,400.60 = 778,985.80 : x
  2. Step 2: Convert to fraction form
    1,725,616.60/2,588,400.60 = 778,985.80/x
  3. Step 3: Cross multiply
    1,725,616.60x = 2,588,400.60 × 778,985.80
  4. Step 4: Simplify right side
    1,725,616.60x = 2,016,327,312,111.48
  5. Step 5: Solve for x
    x = 2,016,327,312,111.48/1,725,616.60
  6. Step 6: Final answer
    x = 1,168,467.73

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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.