Home / 837,015.52-1,155,094.56-455,043.76

Finding the Fourth Proportional to 837,015.52, 1,155,094.56 and 455,043.76

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Solution

The fourth proportional to 837,015.52, 1,155,094.56 and 455,043.76 is: 627,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,015.52 : 1,155,094.56 = 455,043.76 : x
  2. Step 2: Convert to fraction form
    837,015.52/1,155,094.56 = 455,043.76/x
  3. Step 3: Cross multiply
    837,015.52x = 1,155,094.56 × 455,043.76
  4. Step 4: Simplify right side
    837,015.52x = 525,618,571,737.95
  5. Step 5: Solve for x
    x = 525,618,571,737.95/837,015.52
  6. Step 6: Final answer
    x = 627,967.53

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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.