Home / 1,931,624.70-2,897,307.45-511,650.30

Finding the Fourth Proportional to 1,931,624.70, 2,897,307.45 and 511,650.30

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Solution

The fourth proportional to 1,931,624.70, 2,897,307.45 and 511,650.30 is: 767,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,624.70 : 2,897,307.45 = 511,650.30 : x
  2. Step 2: Convert to fraction form
    1,931,624.70/2,897,307.45 = 511,650.30/x
  3. Step 3: Cross multiply
    1,931,624.70x = 2,897,307.45 × 511,650.30
  4. Step 4: Simplify right side
    1,931,624.70x = 1,482,408,225,984.74
  5. Step 5: Solve for x
    x = 1,482,408,225,984.74/1,931,624.70
  6. Step 6: Final answer
    x = 767,441.12

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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.