Home / 1,931,588.20-2,897,252.70-511,613.80

Finding the Fourth Proportional to 1,931,588.20, 2,897,252.70 and 511,613.80

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Solution

The fourth proportional to 1,931,588.20, 2,897,252.70 and 511,613.80 is: 767,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,588.20 : 2,897,252.70 = 511,613.80 : x
  2. Step 2: Convert to fraction form
    1,931,588.20/2,897,252.70 = 511,613.80/x
  3. Step 3: Cross multiply
    1,931,588.20x = 2,897,252.70 × 511,613.80
  4. Step 4: Simplify right side
    1,931,588.20x = 1,482,274,463,407.26
  5. Step 5: Solve for x
    x = 1,482,274,463,407.26/1,931,588.20
  6. Step 6: Final answer
    x = 767,386.37

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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.