Home / 719,686.45-1,079,903.29-293,534.92

Finding the Fourth Proportional to 719,686.45, 1,079,903.29 and 293,534.92

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Solution

The fourth proportional to 719,686.45, 1,079,903.29 and 293,534.92 is: 440,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,686.45 : 1,079,903.29 = 293,534.92 : x
  2. Step 2: Convert to fraction form
    719,686.45/1,079,903.29 = 293,534.92/x
  3. Step 3: Cross multiply
    719,686.45x = 1,079,903.29 × 293,534.92
  4. Step 4: Simplify right side
    719,686.45x = 316,989,325,837.89
  5. Step 5: Solve for x
    x = 316,989,325,837.89/719,686.45
  6. Step 6: Final answer
    x = 440,454.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.