Home / 943,763.76-1,302,007.32-535,777.20

Finding the Fourth Proportional to 943,763.76, 1,302,007.32 and 535,777.20

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Solution

The fourth proportional to 943,763.76, 1,302,007.32 and 535,777.20 is: 739,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,763.76 : 1,302,007.32 = 535,777.20 : x
  2. Step 2: Convert to fraction form
    943,763.76/1,302,007.32 = 535,777.20/x
  3. Step 3: Cross multiply
    943,763.76x = 1,302,007.32 × 535,777.20
  4. Step 4: Simplify right side
    943,763.76x = 697,585,836,289.10
  5. Step 5: Solve for x
    x = 697,585,836,289.10/943,763.76
  6. Step 6: Final answer
    x = 739,153.02

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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.