Home / 1,063,681.20-1,595,521.80-1,021,690.80

Finding the Fourth Proportional to 1,063,681.20, 1,595,521.80 and 1,021,690.80

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Solution

The fourth proportional to 1,063,681.20, 1,595,521.80 and 1,021,690.80 is: 1,532,536.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,681.20 : 1,595,521.80 = 1,021,690.80 : x
  2. Step 2: Convert to fraction form
    1,063,681.20/1,595,521.80 = 1,021,690.80/x
  3. Step 3: Cross multiply
    1,063,681.20x = 1,595,521.80 × 1,021,690.80
  4. Step 4: Simplify right side
    1,063,681.20x = 1,630,129,944,259.44
  5. Step 5: Solve for x
    x = 1,630,129,944,259.44/1,063,681.20
  6. Step 6: Final answer
    x = 1,532,536.20

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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.