Home / 826,842.60-1,237,499.10-578,010.60

Finding the Fourth Proportional to 826,842.60, 1,237,499.10 and 578,010.60

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Solution

The fourth proportional to 826,842.60, 1,237,499.10 and 578,010.60 is: 865,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,842.60 : 1,237,499.10 = 578,010.60 : x
  2. Step 2: Convert to fraction form
    826,842.60/1,237,499.10 = 578,010.60/x
  3. Step 3: Cross multiply
    826,842.60x = 1,237,499.10 × 578,010.60
  4. Step 4: Simplify right side
    826,842.60x = 715,287,597,290.46
  5. Step 5: Solve for x
    x = 715,287,597,290.46/826,842.60
  6. Step 6: Final answer
    x = 865,083.15

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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.