Home / 1,711,111.88-2,361,514.02-1,280,639

Finding the Fourth Proportional to 1,711,111.88, 2,361,514.02 and 1,280,639

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Solution

The fourth proportional to 1,711,111.88, 2,361,514.02 and 1,280,639 is: 1,767,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,111.88 : 2,361,514.02 = 1,280,639 : x
  2. Step 2: Convert to fraction form
    1,711,111.88/2,361,514.02 = 1,280,639/x
  3. Step 3: Cross multiply
    1,711,111.88x = 2,361,514.02 × 1,280,639
  4. Step 4: Simplify right side
    1,711,111.88x = 3,024,246,953,058.78
  5. Step 5: Solve for x
    x = 3,024,246,953,058.78/1,711,111.88
  6. Step 6: Final answer
    x = 1,767,416.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.