Home / 935,952.64-1,291,614.94-528,140.96

Finding the Fourth Proportional to 935,952.64, 1,291,614.94 and 528,140.96

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Solution

The fourth proportional to 935,952.64, 1,291,614.94 and 528,140.96 is: 728,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,952.64 : 1,291,614.94 = 528,140.96 : x
  2. Step 2: Convert to fraction form
    935,952.64/1,291,614.94 = 528,140.96/x
  3. Step 3: Cross multiply
    935,952.64x = 1,291,614.94 × 528,140.96
  4. Step 4: Simplify right side
    935,952.64x = 682,154,754,361.94
  5. Step 5: Solve for x
    x = 682,154,754,361.94/935,952.64
  6. Step 6: Final answer
    x = 728,834.69

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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.