Home / 752,712.66-1,038,758.91-426,025.67

Finding the Fourth Proportional to 752,712.66, 1,038,758.91 and 426,025.67

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Solution

The fourth proportional to 752,712.66, 1,038,758.91 and 426,025.67 is: 587,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,712.66 : 1,038,758.91 = 426,025.67 : x
  2. Step 2: Convert to fraction form
    752,712.66/1,038,758.91 = 426,025.67/x
  3. Step 3: Cross multiply
    752,712.66x = 1,038,758.91 × 426,025.67
  4. Step 4: Simplify right side
    752,712.66x = 442,537,955,407.43
  5. Step 5: Solve for x
    x = 442,537,955,407.43/752,712.66
  6. Step 6: Final answer
    x = 587,924.16

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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.