Home / 921,235.28-1,381,544.30-352,484.06

Finding the Fourth Proportional to 921,235.28, 1,381,544.30 and 352,484.06

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Solution

The fourth proportional to 921,235.28, 1,381,544.30 and 352,484.06 is: 528,608.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,235.28 : 1,381,544.30 = 352,484.06 : x
  2. Step 2: Convert to fraction form
    921,235.28/1,381,544.30 = 352,484.06/x
  3. Step 3: Cross multiply
    921,235.28x = 1,381,544.30 × 352,484.06
  4. Step 4: Simplify right side
    921,235.28x = 486,972,343,933.86
  5. Step 5: Solve for x
    x = 486,972,343,933.86/921,235.28
  6. Step 6: Final answer
    x = 528,608.01

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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.