Home / 834,223.93-1,151,238.09-490,074.37

Finding the Fourth Proportional to 834,223.93, 1,151,238.09 and 490,074.37

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Solution

The fourth proportional to 834,223.93, 1,151,238.09 and 490,074.37 is: 676,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,223.93 : 1,151,238.09 = 490,074.37 : x
  2. Step 2: Convert to fraction form
    834,223.93/1,151,238.09 = 490,074.37/x
  3. Step 3: Cross multiply
    834,223.93x = 1,151,238.09 × 490,074.37
  4. Step 4: Simplify right side
    834,223.93x = 564,192,279,258.10
  5. Step 5: Solve for x
    x = 564,192,279,258.10/834,223.93
  6. Step 6: Final answer
    x = 676,307.96

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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.