Home / 922,388.10-1,272,840.75-535,173.54

Finding the Fourth Proportional to 922,388.10, 1,272,840.75 and 535,173.54

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Solution

The fourth proportional to 922,388.10, 1,272,840.75 and 535,173.54 is: 738,507.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,388.10 : 1,272,840.75 = 535,173.54 : x
  2. Step 2: Convert to fraction form
    922,388.10/1,272,840.75 = 535,173.54/x
  3. Step 3: Cross multiply
    922,388.10x = 1,272,840.75 × 535,173.54
  4. Step 4: Simplify right side
    922,388.10x = 681,190,690,033.76
  5. Step 5: Solve for x
    x = 681,190,690,033.76/922,388.10
  6. Step 6: Final answer
    x = 738,507.67

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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.