Home / 974,885.23-1,345,378.26-545,164.30

Finding the Fourth Proportional to 974,885.23, 1,345,378.26 and 545,164.30

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Solution

The fourth proportional to 974,885.23, 1,345,378.26 and 545,164.30 is: 752,347.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,885.23 : 1,345,378.26 = 545,164.30 : x
  2. Step 2: Convert to fraction form
    974,885.23/1,345,378.26 = 545,164.30/x
  3. Step 3: Cross multiply
    974,885.23x = 1,345,378.26 × 545,164.30
  4. Step 4: Simplify right side
    974,885.23x = 733,452,197,348.12
  5. Step 5: Solve for x
    x = 733,452,197,348.12/974,885.23
  6. Step 6: Final answer
    x = 752,347.22

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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.