Home / 935,950.64-1,291,612.18-528,138.96

Finding the Fourth Proportional to 935,950.64, 1,291,612.18 and 528,138.96

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Solution

The fourth proportional to 935,950.64, 1,291,612.18 and 528,138.96 is: 728,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,950.64 : 1,291,612.18 = 528,138.96 : x
  2. Step 2: Convert to fraction form
    935,950.64/1,291,612.18 = 528,138.96/x
  3. Step 3: Cross multiply
    935,950.64x = 1,291,612.18 × 528,138.96
  4. Step 4: Simplify right side
    935,950.64x = 682,150,713,468.53
  5. Step 5: Solve for x
    x = 682,150,713,468.53/935,950.64
  6. Step 6: Final answer
    x = 728,831.93

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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.