Home / 1,326,136.20-1,990,241.10-616,252.20

Finding the Fourth Proportional to 1,326,136.20, 1,990,241.10 and 616,252.20

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Solution

The fourth proportional to 1,326,136.20, 1,990,241.10 and 616,252.20 is: 924,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,136.20 : 1,990,241.10 = 616,252.20 : x
  2. Step 2: Convert to fraction form
    1,326,136.20/1,990,241.10 = 616,252.20/x
  3. Step 3: Cross multiply
    1,326,136.20x = 1,990,241.10 × 616,252.20
  4. Step 4: Simplify right side
    1,326,136.20x = 1,226,490,456,405.42
  5. Step 5: Solve for x
    x = 1,226,490,456,405.42/1,326,136.20
  6. Step 6: Final answer
    x = 924,860.10

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1.5x scale

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.