Home / 914,390.94-1,261,739.91-527,220.93

Finding the Fourth Proportional to 914,390.94, 1,261,739.91 and 527,220.93

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Solution

The fourth proportional to 914,390.94, 1,261,739.91 and 527,220.93 is: 727,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,390.94 : 1,261,739.91 = 527,220.93 : x
  2. Step 2: Convert to fraction form
    914,390.94/1,261,739.91 = 527,220.93/x
  3. Step 3: Cross multiply
    914,390.94x = 1,261,739.91 × 527,220.93
  4. Step 4: Simplify right side
    914,390.94x = 665,215,688,768.32
  5. Step 5: Solve for x
    x = 665,215,688,768.32/914,390.94
  6. Step 6: Final answer
    x = 727,495.93

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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.