Home / 847,881.57-1,170,063.27-465,900.15

Finding the Fourth Proportional to 847,881.57, 1,170,063.27 and 465,900.15

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Solution

The fourth proportional to 847,881.57, 1,170,063.27 and 465,900.15 is: 642,934.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,881.57 : 1,170,063.27 = 465,900.15 : x
  2. Step 2: Convert to fraction form
    847,881.57/1,170,063.27 = 465,900.15/x
  3. Step 3: Cross multiply
    847,881.57x = 1,170,063.27 × 465,900.15
  4. Step 4: Simplify right side
    847,881.57x = 545,132,653,002.49
  5. Step 5: Solve for x
    x = 545,132,653,002.49/847,881.57
  6. Step 6: Final answer
    x = 642,934.90

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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.