Home / 730,719.40-1,094,912.70-611,746.60

Finding the Fourth Proportional to 730,719.40, 1,094,912.70 and 611,746.60

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Solution

The fourth proportional to 730,719.40, 1,094,912.70 and 611,746.60 is: 916,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,719.40 : 1,094,912.70 = 611,746.60 : x
  2. Step 2: Convert to fraction form
    730,719.40/1,094,912.70 = 611,746.60/x
  3. Step 3: Cross multiply
    730,719.40x = 1,094,912.70 × 611,746.60
  4. Step 4: Simplify right side
    730,719.40x = 669,809,121,521.82
  5. Step 5: Solve for x
    x = 669,809,121,521.82/730,719.40
  6. Step 6: Final answer
    x = 916,643.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.