Home / 811,087.79-1,119,308.45-448,536.24

Finding the Fourth Proportional to 811,087.79, 1,119,308.45 and 448,536.24

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Solution

The fourth proportional to 811,087.79, 1,119,308.45 and 448,536.24 is: 618,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,087.79 : 1,119,308.45 = 448,536.24 : x
  2. Step 2: Convert to fraction form
    811,087.79/1,119,308.45 = 448,536.24/x
  3. Step 3: Cross multiply
    811,087.79x = 1,119,308.45 × 448,536.24
  4. Step 4: Simplify right side
    811,087.79x = 502,050,401,320.55
  5. Step 5: Solve for x
    x = 502,050,401,320.55/811,087.79
  6. Step 6: Final answer
    x = 618,984.05

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Double scale
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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.