Home / 811,250.80-1,119,518.96-448,666.88

Finding the Fourth Proportional to 811,250.80, 1,119,518.96 and 448,666.88

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Solution

The fourth proportional to 811,250.80, 1,119,518.96 and 448,666.88 is: 619,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,250.80 : 1,119,518.96 = 448,666.88 : x
  2. Step 2: Convert to fraction form
    811,250.80/1,119,518.96 = 448,666.88/x
  3. Step 3: Cross multiply
    811,250.80x = 1,119,518.96 × 448,666.88
  4. Step 4: Simplify right side
    811,250.80x = 502,291,078,884.05
  5. Step 5: Solve for x
    x = 502,291,078,884.05/811,250.80
  6. Step 6: Final answer
    x = 619,156.34

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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.