Home / 962,770.14-1,328,636.79-554,646.78

Finding the Fourth Proportional to 962,770.14, 1,328,636.79 and 554,646.78

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Solution

The fourth proportional to 962,770.14, 1,328,636.79 and 554,646.78 is: 765,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,770.14 : 1,328,636.79 = 554,646.78 : x
  2. Step 2: Convert to fraction form
    962,770.14/1,328,636.79 = 554,646.78/x
  3. Step 3: Cross multiply
    962,770.14x = 1,328,636.79 × 554,646.78
  4. Step 4: Simplify right side
    962,770.14x = 736,924,117,363.04
  5. Step 5: Solve for x
    x = 736,924,117,363.04/962,770.14
  6. Step 6: Final answer
    x = 765,420.62

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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.