Home / 1,931,711.72-2,897,683.30-511,763.72

Finding the Fourth Proportional to 1,931,711.72, 2,897,683.30 and 511,763.72

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Solution

The fourth proportional to 1,931,711.72, 2,897,683.30 and 511,763.72 is: 767,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,711.72 : 2,897,683.30 = 511,763.72 : x
  2. Step 2: Convert to fraction form
    1,931,711.72/2,897,683.30 = 511,763.72/x
  3. Step 3: Cross multiply
    1,931,711.72x = 2,897,683.30 × 511,763.72
  4. Step 4: Simplify right side
    1,931,711.72x = 1,482,929,184,989.88
  5. Step 5: Solve for x
    x = 1,482,929,184,989.88/1,931,711.72
  6. Step 6: Final answer
    x = 767,676.24

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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.