Home / 1,815,958.90-2,723,931.06-553,782.88

Finding the Fourth Proportional to 1,815,958.90, 2,723,931.06 and 553,782.88

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Solution

The fourth proportional to 1,815,958.90, 2,723,931.06 and 553,782.88 is: 830,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,958.90 : 2,723,931.06 = 553,782.88 : x
  2. Step 2: Convert to fraction form
    1,815,958.90/2,723,931.06 = 553,782.88/x
  3. Step 3: Cross multiply
    1,815,958.90x = 2,723,931.06 × 553,782.88
  4. Step 4: Simplify right side
    1,815,958.90x = 1,508,466,387,328.25
  5. Step 5: Solve for x
    x = 1,508,466,387,328.25/1,815,958.90
  6. Step 6: Final answer
    x = 830,672.10

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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.