Home / 816,290.08-1,127,040.96-510,498.88

Finding the Fourth Proportional to 816,290.08, 1,127,040.96 and 510,498.88

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Solution

The fourth proportional to 816,290.08, 1,127,040.96 and 510,498.88 is: 704,839.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,290.08 : 1,127,040.96 = 510,498.88 : x
  2. Step 2: Convert to fraction form
    816,290.08/1,127,040.96 = 510,498.88/x
  3. Step 3: Cross multiply
    816,290.08x = 1,127,040.96 × 510,498.88
  4. Step 4: Simplify right side
    816,290.08x = 575,353,147,794.13
  5. Step 5: Solve for x
    x = 575,353,147,794.13/816,290.08
  6. Step 6: Final answer
    x = 704,839.08

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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.