Home / 922,420.97-1,272,972.48-535,207.16

Finding the Fourth Proportional to 922,420.97, 1,272,972.48 and 535,207.16

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Solution

The fourth proportional to 922,420.97, 1,272,972.48 and 535,207.16 is: 738,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,420.97 : 1,272,972.48 = 535,207.16 : x
  2. Step 2: Convert to fraction form
    922,420.97/1,272,972.48 = 535,207.16/x
  3. Step 3: Cross multiply
    922,420.97x = 1,272,972.48 × 535,207.16
  4. Step 4: Simplify right side
    922,420.97x = 681,303,985,778.96
  5. Step 5: Solve for x
    x = 681,303,985,778.96/922,420.97
  6. Step 6: Final answer
    x = 738,604.18

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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.