Home / 626,484.48-864,398.82-381,466.36

Finding the Fourth Proportional to 626,484.48, 864,398.82 and 381,466.36

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Solution

The fourth proportional to 626,484.48, 864,398.82 and 381,466.36 is: 526,332.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,484.48 : 864,398.82 = 381,466.36 : x
  2. Step 2: Convert to fraction form
    626,484.48/864,398.82 = 381,466.36/x
  3. Step 3: Cross multiply
    626,484.48x = 864,398.82 × 381,466.36
  4. Step 4: Simplify right side
    626,484.48x = 329,739,071,453.70
  5. Step 5: Solve for x
    x = 329,739,071,453.70/626,484.48
  6. Step 6: Final answer
    x = 526,332.39

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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.