Home / 805,441.68-1,111,513.65-442,888.92

Finding the Fourth Proportional to 805,441.68, 1,111,513.65 and 442,888.92

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Solution

The fourth proportional to 805,441.68, 1,111,513.65 and 442,888.92 is: 611,188.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,441.68 : 1,111,513.65 = 442,888.92 : x
  2. Step 2: Convert to fraction form
    805,441.68/1,111,513.65 = 442,888.92/x
  3. Step 3: Cross multiply
    805,441.68x = 1,111,513.65 × 442,888.92
  4. Step 4: Simplify right side
    805,441.68x = 492,277,080,013.76
  5. Step 5: Solve for x
    x = 492,277,080,013.76/805,441.68
  6. Step 6: Final answer
    x = 611,188.98

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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.