Home / 879,943.23-1,214,321.65-477,535.23

Finding the Fourth Proportional to 879,943.23, 1,214,321.65 and 477,535.23

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Solution

The fourth proportional to 879,943.23, 1,214,321.65 and 477,535.23 is: 658,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,943.23 : 1,214,321.65 = 477,535.23 : x
  2. Step 2: Convert to fraction form
    879,943.23/1,214,321.65 = 477,535.23/x
  3. Step 3: Cross multiply
    879,943.23x = 1,214,321.65 × 477,535.23
  4. Step 4: Simplify right side
    879,943.23x = 579,881,367,232.89
  5. Step 5: Solve for x
    x = 579,881,367,232.89/879,943.23
  6. Step 6: Final answer
    x = 658,998.61

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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.