Home / 847,852.52-1,170,036.21-465,903.90

Finding the Fourth Proportional to 847,852.52, 1,170,036.21 and 465,903.90

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Solution

The fourth proportional to 847,852.52, 1,170,036.21 and 465,903.90 is: 642,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,852.52 : 1,170,036.21 = 465,903.90 : x
  2. Step 2: Convert to fraction form
    847,852.52/1,170,036.21 = 465,903.90/x
  3. Step 3: Cross multiply
    847,852.52x = 1,170,036.21 × 465,903.90
  4. Step 4: Simplify right side
    847,852.52x = 545,124,433,975.79
  5. Step 5: Solve for x
    x = 545,124,433,975.79/847,852.52
  6. Step 6: Final answer
    x = 642,947.24

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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.