Home / 840,237.09-1,159,319.75-496,081.05

Finding the Fourth Proportional to 840,237.09, 1,159,319.75 and 496,081.05

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Solution

The fourth proportional to 840,237.09, 1,159,319.75 and 496,081.05 is: 684,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,237.09 : 1,159,319.75 = 496,081.05 : x
  2. Step 2: Convert to fraction form
    840,237.09/1,159,319.75 = 496,081.05/x
  3. Step 3: Cross multiply
    840,237.09x = 1,159,319.75 × 496,081.05
  4. Step 4: Simplify right side
    840,237.09x = 575,116,558,865.74
  5. Step 5: Solve for x
    x = 575,116,558,865.74/840,237.09
  6. Step 6: Final answer
    x = 684,469.38

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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.