Home / 824,756.63-1,138,145.46-480,571.13

Finding the Fourth Proportional to 824,756.63, 1,138,145.46 and 480,571.13

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Solution

The fourth proportional to 824,756.63, 1,138,145.46 and 480,571.13 is: 663,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,756.63 : 1,138,145.46 = 480,571.13 : x
  2. Step 2: Convert to fraction form
    824,756.63/1,138,145.46 = 480,571.13/x
  3. Step 3: Cross multiply
    824,756.63x = 1,138,145.46 × 480,571.13
  4. Step 4: Simplify right side
    824,756.63x = 546,959,844,125.84
  5. Step 5: Solve for x
    x = 546,959,844,125.84/824,756.63
  6. Step 6: Final answer
    x = 663,177.27

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Double scale
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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.