Home / 1,931,659.20-2,897,359.20-511,684.80

Finding the Fourth Proportional to 1,931,659.20, 2,897,359.20 and 511,684.80

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Solution

The fourth proportional to 1,931,659.20, 2,897,359.20 and 511,684.80 is: 767,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,659.20 : 2,897,359.20 = 511,684.80 : x
  2. Step 2: Convert to fraction form
    1,931,659.20/2,897,359.20 = 511,684.80/x
  3. Step 3: Cross multiply
    1,931,659.20x = 2,897,359.20 × 511,684.80
  4. Step 4: Simplify right side
    1,931,659.20x = 1,482,534,662,780.16
  5. Step 5: Solve for x
    x = 1,482,534,662,780.16/1,931,659.20
  6. Step 6: Final answer
    x = 767,492.87

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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.