Home / 1,931,805.60-2,897,708.40-512,080.80

Finding the Fourth Proportional to 1,931,805.60, 2,897,708.40 and 512,080.80

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Solution

The fourth proportional to 1,931,805.60, 2,897,708.40 and 512,080.80 is: 768,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,805.60 : 2,897,708.40 = 512,080.80 : x
  2. Step 2: Convert to fraction form
    1,931,805.60/2,897,708.40 = 512,080.80/x
  3. Step 3: Cross multiply
    1,931,805.60x = 2,897,708.40 × 512,080.80
  4. Step 4: Simplify right side
    1,931,805.60x = 1,483,860,835,638.72
  5. Step 5: Solve for x
    x = 1,483,860,835,638.72/1,931,805.60
  6. Step 6: Final answer
    x = 768,121.20

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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.