Home / 762,111.23-1,051,714.97-417,949.58

Finding the Fourth Proportional to 762,111.23, 1,051,714.97 and 417,949.58

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Solution

The fourth proportional to 762,111.23, 1,051,714.97 and 417,949.58 is: 576,771.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,111.23 : 1,051,714.97 = 417,949.58 : x
  2. Step 2: Convert to fraction form
    762,111.23/1,051,714.97 = 417,949.58/x
  3. Step 3: Cross multiply
    762,111.23x = 1,051,714.97 × 417,949.58
  4. Step 4: Simplify right side
    762,111.23x = 439,563,822,642.89
  5. Step 5: Solve for x
    x = 439,563,822,642.89/762,111.23
  6. Step 6: Final answer
    x = 576,771.22

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1.5x scale

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.