Home / 1,065,728.40-1,597,231.80-433,928.40

Finding the Fourth Proportional to 1,065,728.40, 1,597,231.80 and 433,928.40

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Solution

The fourth proportional to 1,065,728.40, 1,597,231.80 and 433,928.40 is: 650,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,728.40 : 1,597,231.80 = 433,928.40 : x
  2. Step 2: Convert to fraction form
    1,065,728.40/1,597,231.80 = 433,928.40/x
  3. Step 3: Cross multiply
    1,065,728.40x = 1,597,231.80 × 433,928.40
  4. Step 4: Simplify right side
    1,065,728.40x = 693,084,239,403.12
  5. Step 5: Solve for x
    x = 693,084,239,403.12/1,065,728.40
  6. Step 6: Final answer
    x = 650,338.53

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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.