Home / 864,387.15-1,295,530.96-611,741.49

Finding the Fourth Proportional to 864,387.15, 1,295,530.96 and 611,741.49

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Solution

The fourth proportional to 864,387.15, 1,295,530.96 and 611,741.49 is: 916,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,387.15 : 1,295,530.96 = 611,741.49 : x
  2. Step 2: Convert to fraction form
    864,387.15/1,295,530.96 = 611,741.49/x
  3. Step 3: Cross multiply
    864,387.15x = 1,295,530.96 × 611,741.49
  4. Step 4: Simplify right side
    864,387.15x = 792,530,038,214.63
  5. Step 5: Solve for x
    x = 792,530,038,214.63/864,387.15
  6. Step 6: Final answer
    x = 916,869.30

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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.