Home / 805,646.15-1,111,769.52-443,070.03

Finding the Fourth Proportional to 805,646.15, 1,111,769.52 and 443,070.03

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Solution

The fourth proportional to 805,646.15, 1,111,769.52 and 443,070.03 is: 611,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,646.15 : 1,111,769.52 = 443,070.03 : x
  2. Step 2: Convert to fraction form
    805,646.15/1,111,769.52 = 443,070.03/x
  3. Step 3: Cross multiply
    805,646.15x = 1,111,769.52 × 443,070.03
  4. Step 4: Simplify right side
    805,646.15x = 492,591,754,579.49
  5. Step 5: Solve for x
    x = 492,591,754,579.49/805,646.15
  6. Step 6: Final answer
    x = 611,424.45

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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.