Home / 774,589.56-1,068,912.20-430,416.59

Finding the Fourth Proportional to 774,589.56, 1,068,912.20 and 430,416.59

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Solution

The fourth proportional to 774,589.56, 1,068,912.20 and 430,416.59 is: 593,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,589.56 : 1,068,912.20 = 430,416.59 : x
  2. Step 2: Convert to fraction form
    774,589.56/1,068,912.20 = 430,416.59/x
  3. Step 3: Cross multiply
    774,589.56x = 1,068,912.20 × 430,416.59
  4. Step 4: Simplify right side
    774,589.56x = 460,077,537,443.79
  5. Step 5: Solve for x
    x = 460,077,537,443.79/774,589.56
  6. Step 6: Final answer
    x = 593,963.00

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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.