Home / 767,703.88-1,059,425.42-423,554.31

Finding the Fourth Proportional to 767,703.88, 1,059,425.42 and 423,554.31

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Solution

The fourth proportional to 767,703.88, 1,059,425.42 and 423,554.31 is: 584,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,703.88 : 1,059,425.42 = 423,554.31 : x
  2. Step 2: Convert to fraction form
    767,703.88/1,059,425.42 = 423,554.31/x
  3. Step 3: Cross multiply
    767,703.88x = 1,059,425.42 × 423,554.31
  4. Step 4: Simplify right side
    767,703.88x = 448,724,203,823.45
  5. Step 5: Solve for x
    x = 448,724,203,823.45/767,703.88
  6. Step 6: Final answer
    x = 584,501.68

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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.