Home / 985,729.44-1,360,048.08-577,612.16

Finding the Fourth Proportional to 985,729.44, 1,360,048.08 and 577,612.16

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Solution

The fourth proportional to 985,729.44, 1,360,048.08 and 577,612.16 is: 796,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,729.44 : 1,360,048.08 = 577,612.16 : x
  2. Step 2: Convert to fraction form
    985,729.44/1,360,048.08 = 577,612.16/x
  3. Step 3: Cross multiply
    985,729.44x = 1,360,048.08 × 577,612.16
  4. Step 4: Simplify right side
    985,729.44x = 785,580,309,192.65
  5. Step 5: Solve for x
    x = 785,580,309,192.65/985,729.44
  6. Step 6: Final answer
    x = 796,953.28

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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.