Home / 985,721.43-1,360,037.07-577,604.16

Finding the Fourth Proportional to 985,721.43, 1,360,037.07 and 577,604.16

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Solution

The fourth proportional to 985,721.43, 1,360,037.07 and 577,604.16 is: 796,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,721.43 : 1,360,037.07 = 577,604.16 : x
  2. Step 2: Convert to fraction form
    985,721.43/1,360,037.07 = 577,604.16/x
  3. Step 3: Cross multiply
    985,721.43x = 1,360,037.07 × 577,604.16
  4. Step 4: Simplify right side
    985,721.43x = 785,563,069,386.21
  5. Step 5: Solve for x
    x = 785,563,069,386.21/985,721.43
  6. Step 6: Final answer
    x = 796,942.27

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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.