Home / 763,193.82-1,053,154.71-423,635.34

Finding the Fourth Proportional to 763,193.82, 1,053,154.71 and 423,635.34

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Solution

The fourth proportional to 763,193.82, 1,053,154.71 and 423,635.34 is: 584,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,193.82 : 1,053,154.71 = 423,635.34 : x
  2. Step 2: Convert to fraction form
    763,193.82/1,053,154.71 = 423,635.34/x
  3. Step 3: Cross multiply
    763,193.82x = 1,053,154.71 × 423,635.34
  4. Step 4: Simplify right side
    763,193.82x = 446,153,553,643.45
  5. Step 5: Solve for x
    x = 446,153,553,643.45/763,193.82
  6. Step 6: Final answer
    x = 584,587.48

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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.