Home / 761,623.34-1,051,040.21-422,113.46

Finding the Fourth Proportional to 761,623.34, 1,051,040.21 and 422,113.46

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Solution

The fourth proportional to 761,623.34, 1,051,040.21 and 422,113.46 is: 582,516.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,623.34 : 1,051,040.21 = 422,113.46 : x
  2. Step 2: Convert to fraction form
    761,623.34/1,051,040.21 = 422,113.46/x
  3. Step 3: Cross multiply
    761,623.34x = 1,051,040.21 × 422,113.46
  4. Step 4: Simplify right side
    761,623.34x = 443,658,219,642.23
  5. Step 5: Solve for x
    x = 443,658,219,642.23/761,623.34
  6. Step 6: Final answer
    x = 582,516.58

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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.