Home / 527,140.90-727,157.34-333,488.50

Finding the Fourth Proportional to 527,140.90, 727,157.34 and 333,488.50

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Solution

The fourth proportional to 527,140.90, 727,157.34 and 333,488.50 is: 460,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,140.90 : 727,157.34 = 333,488.50 : x
  2. Step 2: Convert to fraction form
    527,140.90/727,157.34 = 333,488.50/x
  3. Step 3: Cross multiply
    527,140.90x = 727,157.34 × 333,488.50
  4. Step 4: Simplify right side
    527,140.90x = 242,498,610,580.59
  5. Step 5: Solve for x
    x = 242,498,610,580.59/527,140.90
  6. Step 6: Final answer
    x = 460,026.17

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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.