Home / 873,563.23-1,205,514.80-491,590.01

Finding the Fourth Proportional to 873,563.23, 1,205,514.80 and 491,590.01

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Solution

The fourth proportional to 873,563.23, 1,205,514.80 and 491,590.01 is: 678,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,563.23 : 1,205,514.80 = 491,590.01 : x
  2. Step 2: Convert to fraction form
    873,563.23/1,205,514.80 = 491,590.01/x
  3. Step 3: Cross multiply
    873,563.23x = 1,205,514.80 × 491,590.01
  4. Step 4: Simplify right side
    873,563.23x = 592,619,034,986.45
  5. Step 5: Solve for x
    x = 592,619,034,986.45/873,563.23
  6. Step 6: Final answer
    x = 678,392.83

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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.