Home / 857,921.87-1,183,440.28-535,071.46

Finding the Fourth Proportional to 857,921.87, 1,183,440.28 and 535,071.46

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Solution

The fourth proportional to 857,921.87, 1,183,440.28 and 535,071.46 is: 738,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,921.87 : 1,183,440.28 = 535,071.46 : x
  2. Step 2: Convert to fraction form
    857,921.87/1,183,440.28 = 535,071.46/x
  3. Step 3: Cross multiply
    857,921.87x = 1,183,440.28 × 535,071.46
  4. Step 4: Simplify right side
    857,921.87x = 633,225,109,849.85
  5. Step 5: Solve for x
    x = 633,225,109,849.85/857,921.87
  6. Step 6: Final answer
    x = 738,091.82

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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.