Home / 847,883.57-1,170,066.03-465,902.15

Finding the Fourth Proportional to 847,883.57, 1,170,066.03 and 465,902.15

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Solution

The fourth proportional to 847,883.57, 1,170,066.03 and 465,902.15 is: 642,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,883.57 : 1,170,066.03 = 465,902.15 : x
  2. Step 2: Convert to fraction form
    847,883.57/1,170,066.03 = 465,902.15/x
  3. Step 3: Cross multiply
    847,883.57x = 1,170,066.03 × 465,902.15
  4. Step 4: Simplify right side
    847,883.57x = 545,136,279,018.97
  5. Step 5: Solve for x
    x = 545,136,279,018.97/847,883.57
  6. Step 6: Final answer
    x = 642,937.66

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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.