Home / 761,635.92-1,050,817.40-439,302.80

Finding the Fourth Proportional to 761,635.92, 1,050,817.40 and 439,302.80

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Solution

The fourth proportional to 761,635.92, 1,050,817.40 and 439,302.80 is: 606,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,635.92 : 1,050,817.40 = 439,302.80 : x
  2. Step 2: Convert to fraction form
    761,635.92/1,050,817.40 = 439,302.80/x
  3. Step 3: Cross multiply
    761,635.92x = 1,050,817.40 × 439,302.80
  4. Step 4: Simplify right side
    761,635.92x = 461,627,026,108.72
  5. Step 5: Solve for x
    x = 461,627,026,108.72/761,635.92
  6. Step 6: Final answer
    x = 606,099.34

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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.