Home / 926,669.60-1,387,671.60-609,408.80

Finding the Fourth Proportional to 926,669.60, 1,387,671.60 and 609,408.80

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Solution

The fourth proportional to 926,669.60, 1,387,671.60 and 609,408.80 is: 912,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,669.60 : 1,387,671.60 = 609,408.80 : x
  2. Step 2: Convert to fraction form
    926,669.60/1,387,671.60 = 609,408.80/x
  3. Step 3: Cross multiply
    926,669.60x = 1,387,671.60 × 609,408.80
  4. Step 4: Simplify right side
    926,669.60x = 845,659,284,550.08
  5. Step 5: Solve for x
    x = 845,659,284,550.08/926,669.60
  6. Step 6: Final answer
    x = 912,579.07

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1.5x scale

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.