Home / 805,630.57-1,111,748.01-443,054.32

Finding the Fourth Proportional to 805,630.57, 1,111,748.01 and 443,054.32

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Solution

The fourth proportional to 805,630.57, 1,111,748.01 and 443,054.32 is: 611,402.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,630.57 : 1,111,748.01 = 443,054.32 : x
  2. Step 2: Convert to fraction form
    805,630.57/1,111,748.01 = 443,054.32/x
  3. Step 3: Cross multiply
    805,630.57x = 1,111,748.01 × 443,054.32
  4. Step 4: Simplify right side
    805,630.57x = 492,564,758,581.90
  5. Step 5: Solve for x
    x = 492,564,758,581.90/805,630.57
  6. Step 6: Final answer
    x = 611,402.77

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1.5x scale

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.