Home / 1,065,785.40-1,597,317.30-433,985.40

Finding the Fourth Proportional to 1,065,785.40, 1,597,317.30 and 433,985.40

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Solution

The fourth proportional to 1,065,785.40, 1,597,317.30 and 433,985.40 is: 650,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,785.40 : 1,597,317.30 = 433,985.40 : x
  2. Step 2: Convert to fraction form
    1,065,785.40/1,597,317.30 = 433,985.40/x
  3. Step 3: Cross multiply
    1,065,785.40x = 1,597,317.30 × 433,985.40
  4. Step 4: Simplify right side
    1,065,785.40x = 693,212,387,367.42
  5. Step 5: Solve for x
    x = 693,212,387,367.42/1,065,785.40
  6. Step 6: Final answer
    x = 650,423.99

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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.