Home / 876,935.20-1,315,820.88-607,478.70

Finding the Fourth Proportional to 876,935.20, 1,315,820.88 and 607,478.70

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Solution

The fourth proportional to 876,935.20, 1,315,820.88 and 607,478.70 is: 911,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,935.20 : 1,315,820.88 = 607,478.70 : x
  2. Step 2: Convert to fraction form
    876,935.20/1,315,820.88 = 607,478.70/x
  3. Step 3: Cross multiply
    876,935.20x = 1,315,820.88 × 607,478.70
  4. Step 4: Simplify right side
    876,935.20x = 799,333,157,615.26
  5. Step 5: Solve for x
    x = 799,333,157,615.26/876,935.20
  6. Step 6: Final answer
    x = 911,507.67

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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.