Home / 819,439.27-1,130,424.26-547,573.91

Finding the Fourth Proportional to 819,439.27, 1,130,424.26 and 547,573.91

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Solution

The fourth proportional to 819,439.27, 1,130,424.26 and 547,573.91 is: 755,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,439.27 : 1,130,424.26 = 547,573.91 : x
  2. Step 2: Convert to fraction form
    819,439.27/1,130,424.26 = 547,573.91/x
  3. Step 3: Cross multiply
    819,439.27x = 1,130,424.26 × 547,573.91
  4. Step 4: Simplify right side
    819,439.27x = 618,990,823,617.07
  5. Step 5: Solve for x
    x = 618,990,823,617.07/819,439.27
  6. Step 6: Final answer
    x = 755,383.40

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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.