Home / 847,852.27-1,170,035.86-465,903.65

Finding the Fourth Proportional to 847,852.27, 1,170,035.86 and 465,903.65

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Solution

The fourth proportional to 847,852.27, 1,170,035.86 and 465,903.65 is: 642,946.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,852.27 : 1,170,035.86 = 465,903.65 : x
  2. Step 2: Convert to fraction form
    847,852.27/1,170,035.86 = 465,903.65/x
  3. Step 3: Cross multiply
    847,852.27x = 1,170,035.86 × 465,903.65
  4. Step 4: Simplify right side
    847,852.27x = 545,123,980,438.79
  5. Step 5: Solve for x
    x = 545,123,980,438.79/847,852.27
  6. Step 6: Final answer
    x = 642,946.89

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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.