Home / 859,739.22-1,186,072.02-536,888.88

Finding the Fourth Proportional to 859,739.22, 1,186,072.02 and 536,888.88

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Solution

The fourth proportional to 859,739.22, 1,186,072.02 and 536,888.88 is: 740,676.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,739.22 : 1,186,072.02 = 536,888.88 : x
  2. Step 2: Convert to fraction form
    859,739.22/1,186,072.02 = 536,888.88/x
  3. Step 3: Cross multiply
    859,739.22x = 1,186,072.02 × 536,888.88
  4. Step 4: Simplify right side
    859,739.22x = 636,788,878,417.14
  5. Step 5: Solve for x
    x = 636,788,878,417.14/859,739.22
  6. Step 6: Final answer
    x = 740,676.78

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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.