Home / 741,756.40-1,023,754.89-435,832.72

Finding the Fourth Proportional to 741,756.40, 1,023,754.89 and 435,832.72

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Solution

The fourth proportional to 741,756.40, 1,023,754.89 and 435,832.72 is: 601,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,756.40 : 1,023,754.89 = 435,832.72 : x
  2. Step 2: Convert to fraction form
    741,756.40/1,023,754.89 = 435,832.72/x
  3. Step 3: Cross multiply
    741,756.40x = 1,023,754.89 × 435,832.72
  4. Step 4: Simplify right side
    741,756.40x = 446,185,875,762.61
  5. Step 5: Solve for x
    x = 446,185,875,762.61/741,756.40
  6. Step 6: Final answer
    x = 601,526.16

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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.