Home / 840,263.40-1,159,692.72-496,135.92

Finding the Fourth Proportional to 840,263.40, 1,159,692.72 and 496,135.92

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Solution

The fourth proportional to 840,263.40, 1,159,692.72 and 496,135.92 is: 684,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,263.40 : 1,159,692.72 = 496,135.92 : x
  2. Step 2: Convert to fraction form
    840,263.40/1,159,692.72 = 496,135.92/x
  3. Step 3: Cross multiply
    840,263.40x = 1,159,692.72 × 496,135.92
  4. Step 4: Simplify right side
    840,263.40x = 575,365,214,554.50
  5. Step 5: Solve for x
    x = 575,365,214,554.50/840,263.40
  6. Step 6: Final answer
    x = 684,743.87

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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.