Home / 988,055.32-1,363,516.70-535,346.32

Finding the Fourth Proportional to 988,055.32, 1,363,516.70 and 535,346.32

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Solution

The fourth proportional to 988,055.32, 1,363,516.70 and 535,346.32 is: 738,778.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,055.32 : 1,363,516.70 = 535,346.32 : x
  2. Step 2: Convert to fraction form
    988,055.32/1,363,516.70 = 535,346.32/x
  3. Step 3: Cross multiply
    988,055.32x = 1,363,516.70 × 535,346.32
  4. Step 4: Simplify right side
    988,055.32x = 729,953,647,603.54
  5. Step 5: Solve for x
    x = 729,953,647,603.54/988,055.32
  6. Step 6: Final answer
    x = 738,778.12

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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.